Introduction to Si.Al Coated Rutile Grade (ZL-948R)

Si.Al Coated Rutile Grade (ZL-948R) is a premium-grade rutile titanium dioxide (TiO₂) pigment that is coated with a combination of silica (Si) and alumina (Al) to enhance its properties. This coating improves the pigment's dispersion, weather resistance, and opacity, making it ideal for a wide range of applications including coatings, plastics, and inks. The rutile crystal structure of ZL-948R ensures high refractive index, providing excellent whiteness and brightness, while the Si-Al coating offers superior durability and performance.

Chemical Composition and Structure

Si.Al Coated Rutile Grade (ZL-948R) is synthesized by coating high-quality rutile titanium dioxide with a thin layer of silica (SiO₂) and alumina (Al₂O₃). This dual coating protects the TiO₂ core, enhancing its stability and performance in various environments.

• Chemical Components: TiO₂ (Rutile) + SiO₂ + Al₂O₃
• Appearance: White to off-white powder
• Crystalline Type: Rutile
• Coating Type: Silica + Alumina
• Particle Size: Fine powder, 200-300 nm
• Firing Stability: Stable up to 900°C
• Acid/Alkali Resistance: Excellent
• Lightfastness: Outstanding, non-fading under UV exposure

Applications of Si.Al Coated Rutile Grade (ZL-948R)

Si.Al Coated Rutile Grade (ZL-948R) is valued for its superior brightness, opacity, and resistance to weathering, making it a versatile pigment for various industries. The pigment is widely used in:

1. Paints and Coatings: Provides excellent opacity and whiteness, making it ideal for both indoor and outdoor applications, including automotive and industrial coatings.
2. Plastics: Enhances the durability and color stability of plastic products, including packaging, automotive parts, and consumer goods.
3. Inks and Printing: Used in high-quality printing inks, offering strong color density and excellent lightfastness.
4. Cosmetics and Personal Care Products: Suitable for use in a variety of cosmetic formulations, offering a safe, stable, and effective whitening agent.

Advantages of Si.Al Coated Rutile Grade (ZL-948R)

• ✅ High Opacity: Offers excellent hiding power and whiteness, suitable for both high- and low-viscosity systems.
• ✅ Superior Durability: The Si-Al coating enhances resistance to weathering, UV degradation, and chemical attack.
• ✅ Strong Dispersion: Provides excellent dispersibility in different media, ensuring uniform color development.
• ✅ Non-toxic and Safe: Complies with international safety standards, including FDA and EU regulations for use in consumer products.
• ✅ Stable Performance: Maintains color consistency across a wide range of applications and environments.

Conclusion

Si.Al Coated Rutile Grade (ZL-948R) is a top-tier rutile titanium dioxide pigment, combining the natural brightness and opacity of rutile with enhanced durability and performance due to its silica-alumina coating. Its wide range of applications, from coatings to plastics, makes it a versatile and essential pigment for industries looking for long-lasting and high-quality solutions.