Titanium Dioxide GR-39
GR-39 is a silicon oxide and aluminum oxide treated rutile titanium dioxide pigment produced by sulphate process. GR-39 is designed for inks. It has a neutral undertone and an extremely low abrasion rate. GR-39 also has the characteristics of easy-wetting, easy dispersion, high whiteness and high hiding power in inks.
Key Features
*Easy-wetting
*Neutral undertone
*High hidding power
*Good dispersion
*Extremely low abrasion rate
- Technical specification
| Item | Property | ||
| TiO2 Content, % | Min | 85 | |
| Relative tinting strength, % | Min | 95 | |
| Inorganic treatment | SiO2 · nH2 O Al2 O3 · nH2 O | ||
| Color CIE L* | 98.9 | ||
| Resistivity， Ω ▪ m | 80 | ||
| Oil absorption，g/100g | Max | 35 | |
| Loss at 105℃, % | Max | 0. 5 | |
| Sieve residue (325 mesh), % | Max | 0.1 | |
| Water soluble substance, % | Max | 0. 5 | |
| Specific gravity，g/cm | 3.8 | ||
| PH | 8. 5 | ||
| Standard Classification | ISO 591 -1:R3 | ||
| ASTM D476 : III, IV | |||
| Color index | Pigment white 6 | ||
| Packing | 25kg/bag, 500 kg/bag, 1000kg/bag | ||
| Application | Matt architectural coatings;
Reverse printing inks |
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| Storage | Store in cool, well-ventilated area. Keep away from ignition source, heat and flame. Store in a tightly closed container. | ||
| Handling | Avoid dust formation during handling. Provide appro- priate exhaust ventilation at machinery and at places where dust can be generated. In case of insufficient ventilation, wear suitable respiratory equipment. Please see the Material Safety Data Sheets (MSDS) of this product for more safety information prior to use. | ||