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R838 Rutile Titanium Dioxide Powder Suppliers from China - Bright White Color with Inorganic Coating Factory
R838 is produced using the sulfuric acid method and is a type of rutile titanium dioxide powder coated with inorganic silicon aluminum and treated with an organic surface. It has a unique blue hue and can provide a fresh and bright white color for the product.
Product Features
Has a blue hue, excellent dry powder and visual whiteness.
Adopting high silicon coating, it has extremely high weather resistance and anti-powdering performance, effectively improving the service life of downstream products.
Using a special organic surface treatment agent, it exhibits excellent dispersibility and also has excellent covering power.
Recommended Application Areas
Water-based coating
Water-based ink
Powder coating
Papermaking
Technical Properties
| Property Item | Technical Specifications |
|---|---|
| TiO₂ Quality score% | 92 |
| Mass fraction of volatile compounds at 105 ℃ | ≤ 0.8% |
| Mass fraction of water-soluble substances% | ≤ 0.5 |
| Mass fraction of residue (45um) | ≤ 0.05 |
| Color (compared to standard sample) | Not less than |
| Color fading power (compared to standard sample)% | ≥ 108 |
| PH value of water suspension | 6.5-8.5 |
| Oil absorption g/100g | ≤ 21 |
| The resistivity of the water extraction solution is Ω·m | ≥ 50 |
| Rutile type conversion rate% | ≥ 97.5 |
| Average particle diameter μm | 0.22-0.26 |
| Organic compounds | Have |
Packaging & Remarks
Packaging: 25kg paper plastic composite bag, 500kg and 1000kg packaging bags.
Remarks: Please contact the supplier for detailed usage instructions. The product specifications are subject to the testing report.
Remarks: Please contact the supplier for detailed usage instructions. The product specifications are subject to the testing report.
Frequently Asked Questions (FAQ)
1. What type of titanium dioxide is R838?
R838 is a rutile-type titanium dioxide produced via the sulfuric acid method, featuring an inorganic silicon-aluminum coating and organic surface treatment.
2. What are the visual characteristics of R838?
It possesses a unique blue hue and provides excellent dry powder whiteness, resulting in a fresh and bright white appearance in final products.
3. How does R838 perform in outdoor environments?
Thanks to its high silicon coating, R838 offers extremely high weather resistance and anti-powdering performance, which significantly extends the service life of outdoor products.
4. What are the main applications for R838?
It is highly recommended for water-based coatings, water-based inks, powder coatings, and the papermaking industry.
5. What is the oil absorption and pH value of R838?
R838 has an oil absorption of ≤ 21 g/100g and a pH value for water suspension ranging between 6.5 and 8.5.
6. What packaging options are available?
The product is available in 25kg paper-plastic composite bags, as well as larger 500kg and 1000kg bulk packaging bags.