|
Item
|
Standard
|
|
|
B301
|
B311
|
|
|
Ba+SO4 (as ZnS)%(m/m) ≥
|
99
|
99
|
|
Zinc (as ZnS) (m/m)%≥
|
28
|
30
|
|
Zinc Oxide %(m/m) ≤
|
0.6
|
0.3
|
|
105℃ Volatile%(m/m)≤
|
0.3
|
0.3
|
|
Water Soluble%(m/m) ≤
|
0.4
|
0.3
|
|
Screen residues (63um mesh) %(m/m) ≤
|
0.1
|
0.1
|
|
Oil absorption g/100g ≤
|
14
|
10
|
|
Color Killing (Compare with standard specimen) %≥
|
105
|
105
|
