According to the scale of Mohs' hardness, rutile titanium dioxide is 6-6.5, and anatase titanium dioxide is 5.5-6.0. Therefore,
anatase is used in chemical fiber matting to avoid abrasion of spinneret holes.
Property | A101 |
TiO2 content % | ≥98.0 |
Color (compared with standard sample) | Not lower than |
Matter volatile at 105ºC % | ≤0.5 |
Matter soluble in water % | ≤0.5 |
Residue on sieve 45µm % | ≤0.1 |
PH of aqueous suspension | 6.5-8.0 |
Brightness % | ≥97.5 |
Oil absorption g/100g | ≤26 |
Tinting strength (compared with standard sample) % | ≥105 |