|
Item
|
FIRST GRADE
|
RESULT
|
|
Ba+SO4 (as ZnS)%(m/m)
|
≥ 99
|
99.3
|
|
Zinc (as ZnS) (m/m)%
|
≥28
|
29
|
|
Zinc Oxide %(m/m)
|
≤0.8
|
0.5
|
|
105℃ Volatile%(m/m)
|
≤0.3
|
0.25
|
|
Water Soluble%(m/m)
|
≤0.5
|
0.26
|
|
Screen residues (63um mesh) %(m/m)
|
≤0.1
|
0.08
|
|
Oil absorption g/100g
|
≤14
|
13
|
|
Color Killing (Compare with standard specimen) %
|
≥100
|
102
|
Applications: Lithopone is used as a base for lake pigment and used as a inert pigment for paint, ink and cosmetics as well as in a large range of applications in plastic industry. It is used as filler in paper, leather, and linoleum.