China Factory Supply High Quality Lithopone B311-White Pigment Lithopone, Find details about China Lithopone Powder, 3206421000 from Factory Supply High Quality Lithopone B311-White Pigment Lithopone
ITEM | INDEX | ||||||||||||||
B301 | B302 | B311 | |||||||||||||
High | First | Qualified | High | First | Qualified | High | First | Qualified | |||||||
Sum of total zinc of zinc sulfide and barium sulfate | 99 | 99 | 99 | ||||||||||||
Total zinc(zinc sulfide) %(m/m)≥ | 28 | 28 | 30 | ||||||||||||
Zinc oxide %(m/m)≤ | 0.6 | 0.8 | 1.0 | 0.3 | 0.3 | 0.5 | 0.2 | 0.3 | 0.5 | ||||||
105ºC volatile matter %(m/m)≤ | 0.3 | 0.3 | 0.5 | 0.3 | 0.3 | 0.5 | 0.3 | 0.3 | 0.5 | ||||||
Water soluble matter %(m/m)≤ | 0.4 | 0.5 | 0.5 | 0.4 | 0.5 | 0.5 | 0. | 0.4 | 0.5 | ||||||
Sieve residue(63um sieve) %(m/m)≤ | 0. | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||||||
Color(compared with standard sample) | Over match | similar | Slightly worse than | Over match | similar | Slightly worse than | Over match | similar | Slightly worse than | ||||||
The water extract of alkalinity | Intermediate hurdles | ||||||||||||||
Oil absorption g/100g | 14 | 11 | 10 | ||||||||||||
Reducing power(with standard sample) % ≥ | 105 | 100 | 92 | 105 | 100 | 95 | 105 | 100 | 95 | ||||||
Cover rate(contrast) | Not less than 5% standard sample |