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China R838 Rutile Titanium Dioxide Powder Suppliers - Inorganic Coated & Organic Treated Factory Product
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
| 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
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.
Frequently Asked Questions
What is the manufacturing process of R838?
R838 is manufactured using the sulfuric acid method, ensuring consistent quality and a specific rutile crystal structure.
How does R838 improve product longevity?
By utilizing a high silicon coating, R838 offers exceptional weather resistance and anti-powdering properties, which extends the service life of the final products.
What unique visual properties does R838 offer?
It features a unique blue hue that provides a fresh, bright, and high-visual whiteness compared to standard titanium dioxide.
Is R838 suitable for water-based systems?
Yes, it is highly recommended for water-based coatings and water-based inks due to its excellent dispersibility and organic surface treatment.
What are the available packaging sizes?
R838 comes in versatile packaging options including 25kg paper-plastic composite bags, as well as larger 500kg and 1000kg bags for industrial use.
What is the average particle size of R838?
The technical specifications indicate an average particle diameter of 0.22 to 0.26 μm, which contributes to its superior covering power.