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China Suppliers R-251 Rutile Titanium Dioxide Powder Factory - High Gloss, Strong Dispersibility & Blue Tone
Through inorganic coating, organic surface treatment, dispersibility, covering power, high gloss, and strong blue background color tone.
■ Application
✔
Coatings, paints, plastics, colorants, color chips
■ Applicable Types
✔
Powder universal type
■ Product Packaging
📦
25KG paper plastic composite bag
■ Technical Properties
| TiO2 content, % (m/m) | ≥ 93.0 |
| Inorganic surface treatment materials | ZrO₂.nH₂O、A1₂O₃.nH₂O |
| Organic surface treatment materials | polyols |
| Brightness value | ≥ 94.5 |
| Color fading power (Reynolds number) | ≥ 1880 |
| Oil absorption, g/100g pigment | ≤ 18 |
| Volatile matter at 105 ℃, % | ≤ 0.5 |
| PH value of water suspension | 6.0~9.0 |
| 45 μ m sieve residue, % | ≤ 0.02 |
| Water extraction liquid resistivity, Ω· m | ≥ 80 |
| Rutile content, % | ≥ 98.0 |
| Dispersion, (Hegeman number) | ≥ 6.25 |
| True density, g/cm3 | 4.1 |
| International standard ISO 591 classification | R2 |
| ASTM D476 Classification | V |
Frequently Asked Questions (FAQ)
Q: What are the primary applications for this product?
A: It is widely used in coatings, paints, plastics, colorants, and color chips.
Q: What is the TiO2 content and Rutile purity?
A: The TiO2 content is ≥ 93.0% and the Rutile content is ≥ 98.0%.
Q: How is the product packaged?
A: The product is supplied in 25KG paper-plastic composite bags for safe and convenient handling.
Q: What kind of surface treatments are applied to the powder?
A: It undergoes both inorganic surface treatment (ZrO₂.nH₂O, A1₂O₃.nH₂O) and organic surface treatment (polyols).
Q: Does this product offer good dispersibility?
A: Yes, it features a Hegeman number dispersion value of ≥ 6.25, ensuring excellent integration in various mediums.
Q: What is the oil absorption rate of this pigment?
A: The oil absorption is low, measured at ≤ 18 g/100g, which is ideal for high-performance coatings.