Ultra-White Optical Pigment

. Material Essence: The Pinnacle of Opacity and Whiteness
Ultra-White Optical Pigment, chemically Titanium Dioxide (TiO₂), is the world’s premier white pigment renowned for its exceptional light-scattering efficiency, unmatched opacity, and brilliant whiteness. As a cornerstone of modern industry, it transforms product appearance and performance through its fundamental interaction with visible and ultraviolet light.

2. Crystalline Forms & Performance Hierarchy

3. Advanced Optical Engineering Properties

Light Management Metrics:

• Scattering Coefficient: Up to 2,500 m²/kg (optimal particle size: 0.2-0.3 μm)

• Opacity Power: >90% hiding at 10 µm film (vs. 25+ µm for alternatives)

• Tinting Strength: 1,600-1,800 (雷诺兹值)

• L Whiteness:* 98-99.5 (CIE L*a*b*)

• Brightness (ISO): 97-99%

Surface-Modified Grades:

• Silica-Alumina Coated: >95% durability in exterior exposures

• Zirconia Treated: Enhanced dispersion in plastics

• Organic Surface Treatment: Optimized for specific polymer matrices

4. Multisector Application Matrix

A. Coatings & Paints:

• Architectural: TiO₂ content 18-25% in premium paints

• Automotive: High-durability, fine-particle grades for metallic finishes

• Powder Coatings: 100% UV opacity at <30 µm thickness

B. Plastics & Polymers:

• Masterbatch: 50-80% TiO₂ concentrate for uniform dispersion

• Engineering Plastics: 1-2% load for UV protection and whiteness

• Films: <0.5 µm grades for thin-film opacity

C. Cosmetics & Sun Care:

• Sunscreens: Micronized/nano TiO₂ (UVA/UVB protection, SPF boost)

• Color Cosmetics: CI 77891 for opacity and smooth application

D. Specialty Applications:

• Food Contact (E171): Confectionery, sauces, tablet coatings

• Paper Filling/Coating: 80-90 ISO brightness enhancement

• Photocatalysis: Nano-TiO₂ for air/water purification, self-cleaning surfaces