Description
R-219 is a TiO2 pigment designed to deliver high opacity in PVC profiles and pipes, powder coatings, road paints and weather durable plastic products.
R-219 is a high-performance rutile titanium dioxide pigment engineered for applications demanding exceptional durability under harsh environmental and thermal conditions. It is characterized by its excellent weatherability and outstanding resistance to high temperatures and yellowing, ensuring long-term color stability and optical performance.
The specialized inorganic surface treatment of R-219 provides robust protection against UV degradation and thermal stress, making it an ideal choice for coatings and polymers exposed to intense sunlight, elevated temperatures, or challenging outdoor environments. Its formulation ensures consistent dispersion and compatibility in high-temperature processing systems.
Typical Properties
| Processing Method | Sulfate |
| Crystal Form | Rutile |
| Inorganic Surface Treatment | Silicon and Aluminum Compounds |
| Organic Surface Treatment | Yes |
| Classification (ISO 591-1) | R2 |
| Color (ISO 787-25) | △E≤0.5 |
| Relative Scattering Power (ISO 787-24) | 95% - 105% |
| Density (ISO 787-10) | 4.0g/cm3 |
Key Features
Product Parameters
| TiO2%（ISO 591-1） | 93% |
| CIE L* (GB/T 1864-2012) | 95.4 |
| Reducing Power（TCS） | 2000 |
| pH Value（ISO 787-9） | 7.2 |
| Oil Absorption（ISO 787-5） | 19g/100g |
| Residue on 45μm（ISO 787-18） | 0.01% |
| Resistivity（ISO 787-14） | 100Ω·m |
| Volatiles at 105℃（ISO 787-2）at packaging | 0.4% |
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