Anatase titanium dioxide
Anatase titanium dioxide (TiO₂) offers exceptional whiteness, high photocatalytic activity, and excellent dispersibility, making it the preferred choice for fiber whitening, photocatalytic coatings, and specialty paper applications. Its fine particle structure and bright blue-white tone deliver outstanding optical performance across light-sensitive and functional formulations.
What Is Anatase titanium dioxide?
Anatase titanium dioxide (TiO₂) is among the three naturally existing crystalline varieties of titanium dioxide, together with rutile and brookite. Featuring a unique tetragonal crystal structure, anatase TiO₂ has a refractive index of about 2.55 and is well known for its outstanding blue-white luster, small particle size, and strong photocatalytic activity — these properties distinguish it from rutile, the more widely applied form.
Anatase titanium dioxide is mainly manufactured via the sulfate method. It is highly valued due to its low oil absorption, soft texture, and slight abrasiveness, which make it especially suitable for applications requiring mild processing conditions and smooth surface quality. Although anatase is less thermally stable compared to rutile — it transforms irreversibly into the rutile phase when the temperature exceeds 700°C — its distinctive optical features and high photochemical reactivity make it the preferred grade in a specific range of specialized industrial fields, such as textile fiber production, papermaking, and photocatalytic functional coatings.
Why Choose Anatase Titanium Dioxide?
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Distinctive Blue-White Optical Tone Compared with rutile-type titanium dioxide, anatase TiO₂ displays a colder blue-white tint, so it is more frequently adopted as a pigment in applications that demand a vivid, pure white appearance with a neutral or faintly cool hue as an essential performance index.
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High Photocatalytic Activity The crystal structure of anatase possesses markedly higher photocatalytic activity relative to rutile, which facilitates the efficient UV-induced degradation of organic contaminants, microorganisms and malodorous substances in self-cleaning coatings and environmental remediation scenarios.
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Low Abrasiveness for Sensitive SubstratesOwing to its naturally soft particle morphology, anatase TiO₂ exerts minimal mechanical abrasion on processing machinery and fragile substrates, thus establishing itself as the industrial benchmark for synthetic fiber and textile production, where the service life of equipment constitutes a key consideration.
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Excellent DispersibilityIn scenarios where photocatalytic activity, fiber whiteness, or paper brightness is prioritized over maximum opacity, anatase TiO₂ offers targeted and high-value performance at a competitive cost compared to surface-modified rutile TiO₂ grades.
- Cost-Effective Performance for Specific Applications Coconut shell activated carbon is available in granular (GAC), powder (PAC), and granulated forms. Coconut shell activated carbon is a seamless integration of a wide range of systems in a wide range of sectors.
Retos del sector
Thermal Instability at High Temperatures —
Anatase TiO₂ undergoes irreversible phase transformation into rutile when heated beyond 700°C, which restricts its application in high-temperature processing conditions and narrows its applicable scope relative to thermally stable rutile-type products.
Lower Opacity Than Rutile
With a refractive index of roughly 2.55, lower than the 2.72 of rutile TiO₂, anatase titanium dioxide exhibits weaker hiding capacity, rendering it inappropriate for applications where high opacity and strong tinting performance serve as core performance indicators.
Photocatalytic Degradation Risk in Coatings
Although the high photocatalytic activity of anatase TiO₂ is advantageous in functional applications, it may accelerate the decomposition of organic binders and resins in traditional coating systems under long-term ultraviolet irradiation.
Limited Weather Resistance
Anatase TiO₂ does not possess the long-term weathering resistance exhibited by surface-modified rutile products, rendering it less appropriate for exterior coatings and outdoor plastic applications subjected to continuous environmental erosion.
Descripción general del producto
Dióxido de titanio
AS-F100
Dióxido de titanio
AS-F500
Dióxido de titanio
AS-CE100
Dióxido de titanio
AS-CE500
Dióxido de titanio
AS-C300
Dióxido de titanio
AS-FD500
Dióxido de titanio
AS-CAT500
Why Use Our Anatase titanium dioxide
Exceptional Whiteness & Brightness
It exhibits excellent white pigment characteristics with a high brightness value, rendering it well suited for applications requiring vivid and stable coloration, including coatings and plastics.
High Photocatalytic Activity
Owing to its inherently high photocatalytic activity, anatase-phase titanium dioxide enables efficient implementation of self-cleaning, air purification and antibacterial functions, thus presenting a distinct performance advantage over rutile-based counterparts.
Chemical Stability & Purity
Prepared under strict production process monitoring, this product retains high chemical purity and stable component distribution, reducing undesirable side reactions and guaranteeing dependable consistency between different production batches.
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