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Product Details:
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| TiO₂ Content: | ≥ 93.0 % | Rutile Content: | ≥ 97.0 % |
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| Inorganic Coating: | Silicon & Aluminum (Si, Al) | Water Soluble Matter: | ≤ 0.5 % |
| Highlight: | Silicon-Aluminum Coated Rutile Titanium Dioxide,High Weather Resistance Titanium Dioxide Pigment,Excellent Dispersion TiO₂ |
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Dongjia SR‑237 Rutile Titanium Dioxide
1. Product Introduction
SR‑237 is a high‑quality rutile titanium dioxide pigment treated with silicon‑aluminum inorganic coating and organic surface modification. It features excellent optical performance, outstanding whiteness, strong hiding power, high weather resistance and good dispersion property. Specially developed for water‑based coating systems, it delivers stable color performance and superior adaptability in various water‑borne paint formulations.
2. Technical Specification Table
| Item | Specification |
| TiO₂ Content | ≥ 93.0 % |
| Rutile Content | ≥ 97.0 % |
| Inorganic Coating | Silicon & Aluminum (Si, Al) |
| Organic Surface Treatment | Yes |
| Loss at 105℃ | ≤ 0.50 % |
| Water Soluble Matter | ≤ 0.5 % |
| Sieve Residue | ≤ 0.01 % |
| Dry Powder Whiteness (WH) | ≥ 97.0 % |
| Color L* Value | ≥ 98 |
| Tint Reducing Power | ≥ 180 % |
| Oil Absorption | 17‑22 g/100g |
| pH of Aqueous Suspension | 7.0‑9.0 |
| Specific Resistance | ≥ 5000 Ω·cm |
| Appearance | White powder |
3. Product Features & Advantages
• Si‑Al inorganic composite coating provides excellent weather resistance and water‑based dispersion performance
• High whiteness and L* value ensure bright, clean color effect in water‑borne coatings
• Strong tint reducing power and hiding power improve the covering performance of water‑based paints
• Optimized surface treatment adapts perfectly to various water‑based coating systems
• Moderate oil absorption, good processing fluidity for water‑borne paint production
• Strict batch quality control, stable performance for continuous mass production
4. Typical Application Fields
Water‑based coatings and all kinds of aqueous paint systems.
5. Packaging & Technical Statement
• Packaging: 25kg full‑paper bag; 500kg/1000kg PP woven bag optional
All data in this sheet are typical values under standard laboratory conditions for reference only. Actual product performance shall be subject to the official factory inspection report. Users shall conduct pre‑production verification tests before large‑scale mass production.
Contact Person: Louis Liu
Tel: 13675620692
Fax: 86-532-89088579
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