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R838 Rutile Titanium Dioxide Powder Suppliers in China - High-Quality Factory Coated with Silicon Aluminum
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
Visual Excellence
Has a blue hue, excellent dry powder, and visual whiteness.
Weather Resistance
Adopting high silicon coating, it has extremely high weather resistance and anti-powdering performance, effectively improving the service life of downstream products.
High Dispersion
Using a special organic surface treatment agent, it exhibits excellent dispersibility and also has excellent covering power.
📦 Packaging
25kg paper plastic composite bag, 500kg and 1000kg packaging bags.
🚀 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 |
Remarks: Please contact the supplier for detailed usage instructions. The product specifications are subject to the testing report.
www.lxyx.chemchina.com yuxing-chem.en.alibaba.com
www.lxyx.chemchina.com yuxing-chem.en.alibaba.com
❓ Frequently Asked Questions
What is R838 Titanium Dioxide?
R838 is a rutile grade titanium dioxide produced via the sulfuric acid method, featuring inorganic silicon-aluminum coating and organic surface treatment for superior performance.
What makes R838 suitable for outdoor applications?
The product utilizes a high silicon coating which provides exceptional weather resistance and anti-powdering properties, significantly extending the lifespan of outdoor products.
How does R838 affect the color of the final product?
It features a unique blue hue that provides a fresh, bright white visual effect and high whiteness in dry powder form.
What are the primary industries using R838?
It is highly recommended for water-based coatings, water-based inks, powder coatings, and the papermaking industry due to its excellent dispersibility.
What are the available packaging options for R838?
Standard packaging includes 25kg paper-plastic composite bags, as well as larger 500kg and 1000kg bulk bags to suit different industrial needs.
What is the particle size and TiO2 content of R838?
R838 has an average particle diameter of 0.22-0.26 μm and a TiO2 quality score of approximately 92%.