Parameters
|
B311
|
B301
|
Total zinc and Barium sulphate, %
|
≥99.0
|
≥99.0
|
zinc sulfide content, %
|
≥30.0
|
≥28.0
|
zinc oxide content, %
|
≤0.3
|
≤0.6
|
Color, compared with standard samples
|
better
|
better
|
Tinter reducing power, compared with standard samples
|
≥105
|
≥100
|
105°C volatile matter, %
|
≤0.3
|
≤0.3
|
Water solubles, %
|
≤0.3
|
≤0.4
|
Water suspension pH-value
|
6.0-8.0
|
6.0-8.0
|
Oil absorption, g/ 100g
|
≤14
|
≤14
|
Hiding power
|
≥ 5 % of standard sample
|
≥ 5 % of standard sample
|