| Lithopone, Zinc Sulphide |
Pigment white 5,6 |
C.I.77115 |
Chemical Formula: ZnS+ BaSO4, Co-percipitate of Zinc Sulphide(30% or 50%) and barium sulphate, Zinc Sulphide; Min. purity 95%.
Brillian white good-very good opacity; Heat=1000℃;Alkali=soluble; Acid=decomp;water=VG,Organic solvent/oils=VG;White pigment,28%--30，30% content of zinc sulfide, stronger hiding power than zinc oxide; good heat resistance .
Usage: Paints for interior use, emulsion paints, undercoats, printing inks. paper.
Packing: P.P woven bags of 25kg/50kg net each. Or as per client’s requirement.
Store and transportation:Store in dry storehouse. Take care of dampproof. Protect against rainwater in transportation. Don’t be mixed up with other foods in storing and transportation.
Specifications:
|
Item |
Standards |
|
B301 |
B311 |
|
Zn & Ba, % min |
99 |
99 |
|
Zn % min |
28 |
30 |
|
ZnO % max |
0.6 |
0.3 |
|
105°C volatile substance % max |
0.3 |
0.3 |
|
water soluble matter % max |
0.4 |
0.3 |
|
screening residue (63micron) % max |
0.1 |
0.1 |
|
color, compared with std. sample |
Better |
Better |
|
pH |
neutral |
neutral |
|
oil absorption % max |
14 |
10 |
|
covering power % |
95--105 |
95--105 |
|
covering power (rel.) % |
within 5% of std. sample (abs. diff.) |