{"id":928,"date":"2026-06-17T14:25:36","date_gmt":"2026-06-17T06:25:36","guid":{"rendered":"https:\/\/www.hushentitanium.com\/?p=928"},"modified":"2026-06-17T14:25:36","modified_gmt":"2026-06-17T06:25:36","slug":"why-choose-micrometer-titanium-dioxide-for-better-white","status":"publish","type":"post","link":"https:\/\/www.hushentitanium.com\/fr\/why-choose-micrometer-titanium-dioxide-for-better-white\/","title":{"rendered":"Why Choose Micrometer Titanium Dioxide for Better White?"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"316\">Introduction<\/h2>\n<p data-start=\"0\" data-end=\"316\">White is never just white. In paints, coatings, plastics, inks, and cosmetics, whiteness directly affects product quality, appearance, and user satisfaction. Titanium dioxide (TiO\u2082), valued at over USD 22 billion globally in 2025, is the most widely used white pigment. But performance varies significantly by grade.<\/p>\n<p data-start=\"318\" data-end=\"683\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.hushentitanium.com\/fr\/products\/micrometer-titanium-dioxide\/\"><strong data-start=\"318\" data-end=\"349\">Micrometer titanium dioxide<\/strong><\/a><\/span>, with particles typically in the 0.2\u20130.4 micron range, is engineered to achieve an optimal balance of light scattering efficiency, dispersion stability, and application versatility. This article explains why this particle size range delivers superior whiteness and what to consider when selecting the right TiO\u2082 for your application.<\/p>\n<h2><span class=\"\">What Makes Micrometer Titanium Dioxide the Optimal Choice for Whiteness?<\/span><\/h2>\n<h3><span class=\"\">The Science of Light Scattering<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Whiteness and opacity in titanium dioxide come down to one fundamental principle: light scattering. Unlike coloured pigments that absorb specific wavelengths of visible light, titanium dioxide scatters light. When light hits a TiO\u2082 particle, the particle bends and redirects that light in multiple directions<\/span><span class=\"\">. The more efficiently a pigment scatters visible light, the whiter and more opaque the final product appears.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The scattering efficiency of titanium dioxide is directly tied to its\u00a0<\/span><span class=\"\">refractive index<\/span><span class=\"\">\u2014a measure of how much the material bends light. Rutile titanium dioxide, the crystal form used in premium micrometer titanium dioxide products, has a refractive index of approximately 2.7 to 2.73 in the visible spectrum<\/span><span class=\"\">. This is the highest refractive index of any white pigment available commercially, making TiO\u2082 the most effective light scatterer in existence<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">The Particle Size Sweet Spot<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Here is where\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0proves its superiority. Light scattering efficiency is not simply a matter of having more pigment\u2014it is about having particles of the\u00a0<\/span><em><span class=\"\">right<\/span><\/em><span class=\"\">\u00a0size. Scientific research has established that for rutile titanium dioxide, the optimum particle diameter for maximum visible light scattering is approximately 0.2 to 0.3 micrometres<\/span><span class=\"\">. At this size, particles scatter light most efficiently across the visible spectrum (wavelengths of approximately 380 to 700 nanometres).<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0product with particle sizes in the 0.22 to 0.42 micron range hits this optical sweet spot precisely<\/span><span class=\"\">. Particles that are too small\u2014in the nanometre range\u2014scatter shorter wavelengths (UV light) more effectively than visible light, making them better suited for UV absorption than for achieving whiteness<\/span><span class=\"\">. Particles that are too large lose scattering efficiency rapidly as size increases<\/span><span class=\"\">. The micrometer range, therefore, represents the Goldilocks zone for whiteness and opacity.<\/span><\/p>\n<h3><span class=\"\">Particle Size Distribution Matters<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Beyond average particle size, the\u00a0<\/span><span class=\"\">distribution<\/span><span class=\"\">\u00a0of particle sizes within a\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0product significantly impacts performance. To achieve optimum scattering in the visible range, it is important to obtain a narrow particle size distribution, with the majority of particles concentrated between 0.2 \u03bcm and 0.4 \u03bcm<\/span><span class=\"\">. A narrow particle size distribution ensures that the majority of particles fall within the optimal scattering range, maximising efficiency and minimising waste<\/span><span class=\"\">. Wide distributions containing both undersized and oversized particles reduce overall opacity and can create inconsistencies in whiteness across batches.<\/span><\/p>\n<h3><span class=\"\">Quantifying the Optical Advantage<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The scattering performance of micrometer titanium dioxide can be quantified through Mie scattering theory. For rutile TiO\u2082 particles of approximately 0.22 \u03bcm diameter suspended in a clear binder with refractive index 1.5, the angle-weighted scattering coefficient is estimated at 12 \u03bcm\u207b\u00b9 for the centre of the visible spectrum at 550 nm<\/span><span class=\"\">. This theoretical foundation confirms what formulators have long observed in practice:\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0delivers the highest possible opacity per unit of pigment loading, making it the most efficient choice for achieving superior whiteness.<\/span><\/p>\n<figure id=\"attachment_896\" aria-describedby=\"caption-attachment-896\" style=\"width: 376px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-896\" src=\"https:\/\/www.hushentitanium.com\/wp-content\/uploads\/2025\/10\/Chemical-Fiber-Titanium-Dioxide-For-Chinlon-Chemical-Fiber-266x300.png\" alt=\"Micrometer Titanium Dioxide\" width=\"376\" height=\"424\" srcset=\"https:\/\/www.hushentitanium.com\/wp-content\/uploads\/2025\/10\/Chemical-Fiber-Titanium-Dioxide-For-Chinlon-Chemical-Fiber-266x300.png 266w, https:\/\/www.hushentitanium.com\/wp-content\/uploads\/2025\/10\/Chemical-Fiber-Titanium-Dioxide-For-Chinlon-Chemical-Fiber-11x12.png 11w, https:\/\/www.hushentitanium.com\/wp-content\/uploads\/2025\/10\/Chemical-Fiber-Titanium-Dioxide-For-Chinlon-Chemical-Fiber.png 399w\" sizes=\"(max-width: 376px) 100vw, 376px\" data-no-translation=\"\" \/><figcaption id=\"caption-attachment-896\" class=\"wp-caption-text\">Microm\u00e8tre Dioxyde de titane<\/figcaption><\/figure>\n<h2><span class=\"\">How Does Advanced Surface Treatment Enhance Micrometer Titanium Dioxide Performance?<\/span><\/h2>\n<h3><span class=\"\">The Challenge of Agglomeration<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">One of the persistent challenges with\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0is the tendency for particles to agglomerate\u2014clumping together into larger, less effective masses. Agglomeration reduces the effective surface area available for light scattering and creates visible defects in final products<\/span><span class=\"\">. This is where advanced surface treatment technology becomes essential.<\/span><\/p>\n<h3><span class=\"\">Creating a Protective Interfacial Film<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">To address agglomeration, manufacturers like Jiangsu Hushen Titanium White Technology Co., Ltd. employ first-class surface treatment and dispersion technologies<\/span><span class=\"\">. These processes create a complete and strong\u00a0<\/span><span class=\"\">interfacial film coating<\/span><span class=\"\"> on the surfaces of micrometer-sized titanium dioxide particles<\/span><span class=\"\">.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">This interfacial film serves multiple critical functions:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Prevents agglomeration<\/span><\/strong><span class=\"\">\u00a0by creating physical and chemical barriers between particles<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Maintains stable dispersion<\/span><\/strong><span class=\"\">\u00a0within product systems over extended periods<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Enhances compatibility<\/span><\/strong><span class=\"\">\u00a0with different resin systems and formulations<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Improves weather resistance<\/span><\/strong><span class=\"\">\u00a0and durability in outdoor applications<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The surface treatment can be tailored to make particles\u00a0<\/span><span class=\"\">hydrophilic<\/span><span class=\"\">\u00a0(water-loving) or\u00a0<\/span><span class=\"\">lipophilic<\/span><span class=\"\">\u00a0(oil-loving), depending on the intended application<\/span><span class=\"\">. Hydrophilic treatments are ideal for water-based paints and coatings, while lipophilic treatments perform better in solvent-based systems and plastics.<\/span><\/p>\n<h3><span class=\"\">Surface Treatment in Industry Practice<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">In the pigment industry, surface treatment typically involves inorganic coatings such as alumina (Al\u2082O\u2083) and silica (SiO\u2082), as well as organic treatments applied during manufacture<\/span><span class=\"\">. Alumina treatments reduce contact between TiO\u2082 particles, resulting in excellent dispersion in various systems<\/span><span class=\"\">. Silica coatings promote photostability in coatings, improving chalk resistance and gloss retention in outdoor applications<\/span><span class=\"\">. These treatments are essential for ensuring that\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0performs consistently across different formulation environments.<\/span><\/p>\n<h3><span class=\"\">Dispersion Stability: A Key Performance Indicator<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0product with superior surface treatment maintains permanent micron dispersion throughout the product&#8217;s lifecycle. This stability means manufacturers can achieve consistent whiteness and opacity without worrying about pigment settling, flocculation, or performance degradation over time<\/span><span class=\"\">. The dispersion stability of properly treated micrometer titanium dioxide is &#8220;only inferior to nanometer titanium dioxide&#8221;\u2014a remarkable achievement given the different applications of these two grades.<\/span><\/p>\n<h2><span class=\"\">Rutile vs. Anatase: Which Crystal Form Delivers Better White?<\/span><\/h2>\n<h3><span class=\"\">Understanding the Two Crystal Structures<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Titanium dioxide exists in three crystal forms, but two dominate commercial applications:\u00a0<\/span><span class=\"\">rutile<\/span><span class=\"\">\u00a0and\u00a0<\/span><span class=\"\">anatase<\/span><span class=\"\">. Both are white powders, but their optical and physical properties differ significantly<\/span><span class=\"\">.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table style=\"width: 96.9234%;\">\n<thead>\n<tr>\n<th style=\"width: 24.127%;\"><span class=\"\">Property<\/span><\/th>\n<th style=\"width: 40.1587%;\"><span class=\"\">Dioxyde de titane rutile<\/span><\/th>\n<th style=\"width: 127.195%;\"><span class=\"\">Dioxyde de titane anatase<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Indice de r\u00e9fraction<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">~2.73<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">~2.55<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Hiding Power<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">Superior<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">Mod\u00e9r\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">R\u00e9sistance aux UV<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">Excellent<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">Pauvre<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Chalking Rate<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">Faible<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">Haut<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Typical Particle Size<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">0.26\u20130.42 \u03bcm<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">0.22\u20130.35 \u03bcm<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Specific Surface Area<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">50\u201380 m\u00b2\/g<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">20\u201330 m\u00b2\/g<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.127%;\"><span class=\"\">Primary Application<\/span><\/td>\n<td style=\"width: 40.1587%;\"><span class=\"\">Paints, coatings, plastics, cosmetics<\/span><\/td>\n<td style=\"width: 127.195%;\"><span class=\"\">Rubber, paper, textiles<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"\">Why Rutile Dominates the Market<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The rutile-grade titanium dioxide segment held an 85.2% market share in 2025, and for good reason<\/span><span class=\"\">. Rutile&#8217;s higher refractive index means it scatters visible light more effectively than anatase, delivering superior hiding power and whiteness<\/span><span class=\"\">. This makes rutile\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0the preferred choice for applications where maximum opacity and brightness are required.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Anatase, while offering lower hiding power, provides unique benefits in certain applications. Its free-chalking and weathering properties deliver a self-cleaning white appearance in outdoor rubber and textile applications. However, for most industrial and consumer applications demanding the highest level of whiteness, rutile micrometer titanium dioxide is the clear winner.<\/span><\/p>\n<h3><span class=\"\">Specific Surface Area and Performance<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The product specifications reveal an interesting distinction: rutile micrometer titanium dioxide has a specific surface area of 50\u201380 m\u00b2\/g, compared to 20\u201330 m\u00b2\/g for anatase<\/span><span class=\"\">. This higher surface area in rutile products indicates more surface treatment capacity and potentially better interaction with surrounding media\u2014another factor contributing to its superior performance in demanding applications.<\/span><\/p>\n<h3><span class=\"\">The Chloride Process Advantage<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The production process also influences pigment quality. The chloride process, which accounted for 61.1% of production in 2025, yields rutile pigments with a refractive index near 2.71 and uniform particle distribution that are favoured for demanding coating applications<\/span><span class=\"\">. This process converts high-purity feedstock into pigment through chlorination and oxidation at elevated temperatures, producing a narrower particle size distribution than the sulfate method<\/span><span class=\"\">. The result is a\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0product with superior gloss and tinting strength<\/span><span class=\"\">.<\/span><\/p>\n<h2><span class=\"\">Where Is Micrometer Titanium Dioxide Used?<\/span><\/h2>\n<h3><span class=\"\">Paints and Coatings<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The paints and coatings industry is the largest consumer of titanium dioxide, accounting for approximately 55% to 57% of global consumption<\/span><span class=\"\">.\u00a0<\/span><span class=\"\">Micrometer titanium dioxide<\/span><span class=\"\">\u00a0provides the whiteness, opacity, and brightness that architectural paints, automotive coatings, industrial finishes, and powder coatings demand. Its optimal particle size ensures that coatings achieve full hiding power at lower pigment volumes, reducing material costs and enabling thinner, more efficient coatings<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Plastiques<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The plastics sector represents approximately 20% to 25% of titanium dioxide consumption<\/span><span class=\"\">. In plastics,\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0delivers whiteness and opacity while withstanding the high temperatures of extrusion and moulding processes. Rutile pigments for plastics typically have crystal sizes closely matching the optimal scattering range. The surface treatment of micrometer titanium dioxide ensures compatibility with various thermoplastic and thermosetting resins.<\/span><\/p>\n<h3><span class=\"\">Paper<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The paper industry accounts for roughly 9% to 13% of global TiO\u2082 consumption<\/span><span class=\"\">.\u00a0<\/span><span class=\"\">Micrometer titanium dioxide<\/span><span class=\"\">\u00a0provides high whiteness, excellent opacity, and good retention behaviour in paper pulp<\/span><span class=\"\">. These properties are essential for producing high-quality coated papers and specialty grades that demand superior brightness and printability.<\/span><\/p>\n<h3><span class=\"\">Cosmetics and Personal Care<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Micrometer titanium dioxide<\/span><span class=\"\">\u00a0finds extensive application in cosmetics, where it provides high whiteness and opacity for skin tone correction and coverage enhancement<\/span><span class=\"\">. Its non-toxic nature and excellent chemical stability make it suitable for products ranging from foundations and sunscreens to powders and creams<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Food and Pharmaceutical Applications<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Beyond cosmetics, high-purity\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0can be used in high-grade foods and pharmaceutical applications<\/span><span class=\"\">. The heavy metal content is strictly controlled<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Lead (Pb): \u22640.0015%<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Arsenic (As): \u22640.0008%<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Mercury (Hg): \u22640.0001%<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">These low levels ensure compliance with global safety regulations for sensitive applications.<\/span><\/p>\n<h3><span class=\"\">Inks, Textiles, and Other Applications<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Printing inks benefit from the high-density whiteness and opacity of\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">, ensuring vibrant colour reproduction on dark or transparent substrates<\/span><span class=\"\">. Textile applications utilise TiO\u2082 for whitening fibres and providing UV protection. The pigment is also used in rubber, chemical fibres, porcelain enamel, optical glass, and capacitors<\/span><span class=\"\">. Together, inks, ceramics, and other applications account for approximately 10% of global consumption<\/span><span class=\"\">.<\/span><\/p>\n<h2><span class=\"\">How Does Micrometer Titanium Dioxide Compare to Other White Pigments?<\/span><\/h2>\n<h3><span class=\"\">The TiO\u2082 Advantage<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table style=\"width: 96.1764%;\">\n<thead>\n<tr>\n<th style=\"width: 25.2727%;\"><span class=\"\">White Pigment<\/span><\/th>\n<th style=\"width: 25.4545%;\"><span class=\"\">Indice de r\u00e9fraction<\/span><\/th>\n<th style=\"width: 34.3636%;\"><span class=\"\">Relative Hiding Power<\/span><\/th>\n<th style=\"width: 146.364%;\"><span class=\"\">Cost<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 25.2727%;\"><strong><span class=\"\">Rutile TiO\u2082<\/span><\/strong><\/td>\n<td style=\"width: 25.4545%;\"><span class=\"\">~2.73<\/span><\/td>\n<td style=\"width: 34.3636%;\"><span class=\"\">100 (baseline)<\/span><\/td>\n<td style=\"width: 146.364%;\"><span class=\"\">Sup\u00e9rieur<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.2727%;\"><span class=\"\">Anatase TiO\u2082<\/span><\/td>\n<td style=\"width: 25.4545%;\"><span class=\"\">~2.55<\/span><\/td>\n<td style=\"width: 34.3636%;\"><span class=\"\">~70\u201380<\/span><\/td>\n<td style=\"width: 146.364%;\"><span class=\"\">Mod\u00e9r\u00e9<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.2727%;\"><span class=\"\">Oxyde de zinc<\/span><\/td>\n<td style=\"width: 25.4545%;\"><span class=\"\">~2.0<\/span><\/td>\n<td style=\"width: 34.3636%;\"><span class=\"\">~20\u201330<\/span><\/td>\n<td style=\"width: 146.364%;\"><span class=\"\">Inf\u00e9rieur<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.2727%;\"><span class=\"\">Lithopone<\/span><\/td>\n<td style=\"width: 25.4545%;\"><span class=\"\">~1.8<\/span><\/td>\n<td style=\"width: 34.3636%;\"><span class=\"\">~15\u201320<\/span><\/td>\n<td style=\"width: 146.364%;\"><span class=\"\">Inf\u00e9rieur<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.2727%;\"><span class=\"\">Carbonate de calcium<\/span><\/td>\n<td style=\"width: 25.4545%;\"><span class=\"\">~1.6<\/span><\/td>\n<td style=\"width: 34.3636%;\"><span class=\"\">&lt;10 (filler)<\/span><\/td>\n<td style=\"width: 146.364%;\"><span class=\"\">Faible<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">No other white pigment comes close to rutile titanium dioxide&#8217;s refractive index or hiding power<\/span><span class=\"\">. Zinc oxide and lithopone, while cheaper, require significantly higher loadings to achieve comparable whiteness\u2014often negating any cost advantage. This is why\u00a0<\/span><strong><span class=\"\">micrometer titanium dioxide<\/span><\/strong><span class=\"\">\u00a0remains the pigment of choice for applications demanding superior whiteness.<\/span><\/p>\n<h3><span class=\"\">Micrometer vs. Nanometer: Different Tools for Different Jobs<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The distinction between micrometer and nanometre titanium dioxide is not about one being &#8220;better&#8221;\u2014it is about different applications requiring different particle sizes.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table style=\"width: 97.8057%;\">\n<thead>\n<tr>\n<th style=\"width: 15.2663%;\"><span class=\"\">Property<\/span><\/th>\n<th style=\"width: 36.213%;\"><span class=\"\">Micrometer TiO\u2082<\/span><\/th>\n<th style=\"width: 102.959%;\"><span class=\"\">Nanometer TiO\u2082<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 15.2663%;\"><span class=\"\">Taille des particules<\/span><\/td>\n<td style=\"width: 36.213%;\"><span class=\"\">0.2\u20130.4 \u03bcm<\/span><\/td>\n<td style=\"width: 102.959%;\"><span class=\"\">&lt;100 nm<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.2663%;\"><span class=\"\">Fonction principale<\/span><\/td>\n<td style=\"width: 36.213%;\"><span class=\"\">Visible light scattering (whiteness, opacity)<\/span><\/td>\n<td style=\"width: 102.959%;\"><span class=\"\">UV absorption<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.2663%;\"><span class=\"\">Apparence<\/span><\/td>\n<td style=\"width: 36.213%;\"><span class=\"\">Opaque, white<\/span><\/td>\n<td style=\"width: 102.959%;\"><span class=\"\">Transparent or translucent<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.2663%;\"><span class=\"\">Applications<\/span><\/td>\n<td style=\"width: 36.213%;\"><span class=\"\">Paints, coatings, plastics, cosmetics, food<\/span><\/td>\n<td style=\"width: 102.959%;\"><span class=\"\">Sunscreens, UV-blocking coatings, self-cleaning surfaces<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Micrometer titanium dioxide<\/span><span class=\"\">\u00a0is the workhorse for whiteness and opacity. Nanometer titanium dioxide, by contrast, is used primarily as a UV absorber in sunscreens and transparent coatings. Choosing the right grade depends entirely on the desired outcome: whiteness or UV protection.<\/span><\/p>\n<h2><span class=\"\">What Should You Look for When Selecting Micrometer Titanium Dioxide?<\/span><\/h2>\n<h3><span class=\"\">Purity and Heavy Metal Content<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">For applications in cosmetics, food, and pharmaceuticals, purity is paramount. The product specifications for high-quality\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0show heavy metal content well within safety limits<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Lead (Pb): \u22640.0015%<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Arsenic (As): \u22640.0008%<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Mercury (Hg): \u22640.0001%<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">These low levels ensure compliance with global safety regulations for sensitive applications.<\/span><\/p>\n<h3><span class=\"\">Surface Treatment and Dispersibility<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The surface treatment of\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0determines how well it disperses in your specific system. Look for products that offer:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrophilic treatment<\/span><\/strong><span class=\"\">\u00a0for water-based formulations<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Lipophilic treatment<\/span><\/strong><span class=\"\">\u00a0for solvent-based and plastic systems<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">High dispersion ratings<\/span><\/strong><span class=\"\">\u00a0for reduced processing time and energy consumption<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Products with superior surface treatment, like those using advanced interfacial film coating technology, maintain stable dispersion and prevent agglomeration<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Crystal Form and Particle Size Distribution<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Select rutile grade for maximum whiteness and durability<\/span><span class=\"\">; anatase may suffice for less demanding applications or where self-cleaning properties are desired. Verify that the particle size distribution is narrow and centred in the 0.2\u20130.3 micron range for optimal scattering efficiency<\/span><span class=\"\">.<\/span><\/p>\n<h3><span class=\"\">Loss on Drying and Ignition<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The product specifications for\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0show loss on drying at 1% and loss on ignition at 10%<\/span><span class=\"\">. Low loss on drying indicates minimal moisture content, which is essential for consistent performance in plastics and solvent-based systems. Loss on ignition reflects organic treatment levels and should be consistent across batches.<\/span><\/p>\n<h2><span class=\"\">The Market Context: Why Titanium Dioxide Demand Continues to Grow<\/span><\/h2>\n<ul>\n<li>\n<h3><span class=\"\">A Multi-Billion Dollar Market<\/span><\/h3>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The global titanium dioxide market was valued at approximately USD 22 billion in 2025 and is projected to reach USD 35.8 billion by 2035, growing at a compound annual growth rate of 4.9%<\/span><span class=\"\">. The rutile-grade segment, which includes most\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0products, held an 85.2% share in 2025 and is expected to grow at a CAGR of 5% from 2026 to 2035<\/span><span class=\"\">.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"\">Rising Demand from Construction and Automotive Sectors<\/span><\/h3>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The primary drivers of this growth are rising demand from the construction sector (architectural paints and coatings) and the automotive industry (durable, high-performance finishes)<\/span><span class=\"\">. As urbanisation continues and infrastructure investment increases worldwide, the demand for high-quality\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0will only intensify.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"\">Sustainability and Efficiency Trends<\/span><\/h3>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Manufacturers are increasingly focused on using titanium dioxide more efficiently\u2014achieving the same whiteness and opacity with lower pigment loadings<\/span><span class=\"\">. This trend favours\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0products with optimal particle size and advanced surface treatment, as they deliver maximum performance per unit of pigment<\/span><span class=\"\">. Efficient use of TiO\u2082 reduces waste, lowers material costs, and supports sustainability goals\u2014choosing the right pigment grade is more critical than ever.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"\">Niche Segments and Innovation<\/span><\/h3>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Niche segments, including application-specific surface treatments, are gaining momentum and supporting value growth that outpaces volume expansion in some areas<\/span><span class=\"\">. Producers are increasingly prioritising higher-value product grades and operational efficiency to reduce exposure to price volatility while maintaining competitiveness<\/span><span class=\"\">. This dynamic creates opportunities for manufacturers of premium\u00a0<\/span><span class=\"\">micrometer titanium dioxide<\/span><span class=\"\">\u00a0to differentiate their offerings through superior performance and tailored solutions.<\/span><\/p>\n<h2 data-section-id=\"3qdanq\" data-start=\"74\" data-end=\"129\">Conclusion: The Clear Choice for Superior Whiteness<\/h2>\n<p data-start=\"131\" data-end=\"479\">When superior whiteness, opacity, and consistency matter, micrometer titanium dioxide remains one of the most effective pigment solutions available. Its optimized particle size, excellent light-scattering performance, and advanced surface treatment help deliver brighter, cleaner, and longer-lasting results across a wide range of applications.<\/p>\n<p data-start=\"481\" data-end=\"830\">From coatings and plastics to cosmetics and specialty papers, the right micrometer titanium dioxide can significantly improve product appearance and performance. Combined with the durability and high refractive index of rutile crystal structures, micrometer titanium dioxide offers an ideal balance of efficiency, stability, and versatility.<\/p>\n<p data-start=\"832\" data-end=\"1100\" data-is-last-node=\"\" data-is-only-node=\"\">If you&#8217;re evaluating micrometer titanium dioxide for your next formulation, our technical team can help you select the most suitable grade based on your performance requirements. Contact us today for product samples, specifications, and expert application support.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction White is never just white. In paints, coatings, plastics, inks, and cosmetics, whiteness directly affects product quality, appearance, and user satisfaction. Titanium dioxide (TiO\u2082), valued at over USD 22 billion globally in 2025, is the most widely used white pigment. But performance varies significantly by grade. Micrometer titanium dioxide, with particles typically in the [&hellip;]<\/p>","protected":false},"author":1,"featured_media":896,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[182,185,116,184,183],"class_list":["post-928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-micrometer-titanium-dioxide","tag-pigment-dispersion","tag-rutile-titanium-dioxide","tag-tio-whiteness","tag-titanium-dioxide-pigment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/posts\/928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/comments?post=928"}],"version-history":[{"count":0,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/posts\/928\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/media\/896"}],"wp:attachment":[{"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/media?parent=928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/categories?post=928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hushentitanium.com\/fr\/wp-json\/wp\/v2\/tags?post=928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}