China SBR Titanium Dioxide Powder White Powder 99.7 ZnO Oxide Zinc for Rubber Industry, Find details about China Titanium Dioxide, Rutile Grade Titanium Dioxide from SBR Titanium Dioxide Powder White Powder 99.7 ZnO Oxide Zinc for Rubber Industry
Molecular formula | ZnO |
Molar mass | 81.408 g/mol |
Appearance | White solid |
Odor | odorless |
Density | 5.606 g/cm3 |
Melting point | 1975 °C (decomposes)[1] |
Boiling point | 2360 °C |
Solubility in water | 0.16 mg/100 mL (30 °C) |
Band gap | 3.3 eV (direct) |
Refractive index (nD) | 2.0041 |
Item | SK-R350 | Typical value |
TiO2 content % ≥ | 92.5 | 93.0 |
Content of rutile %≥ | 99.0 | 99.0 |
Whiteness(compared with standard sample) | Not less than | Not less than |
Brightness% ≥ | 95.1 | 95.2 |
Tint-reducing power, Reynolds number ≥ | 1920 | 1950 |
Dispersibility (Hegman) ≥ | 6.50 | 6.75 |
pH value | 6.5~8.5 | 6.9 |
Oil absorption, g/100g≤ | 20.0 | 18.0 |
Volatile at 105ºC, %≤ | 0.5 | 0.4 |
Sieve residue( 45 µ m), %≤ | 0.02 | 0.01 |
Specific resistance, Ω. M≥ | 80.0 | 120.0 |