Sell Lithopone;Pearl White

Description

Property:
Lithopone is a white pigment composed of a mixture of Barium sulfate (****0%) and Zinc sulfide (****0%) with trace amounts of Zinc oxide.
A strong whiteness and hiding ***** in water, with hydrogen sulfide and the lye does not work, dissolved hydrogen sulfide gas when meet acid. It is readily oxidized in the air.

Application:
Inorganic white pigment, Widely used for the white pigment of plastic, paint and ink, such as polyolefin, vinyl resin, ABS resin, polystyrene, polycarbonate, nylon, POM. For the coloration of the rubber, cloth, leather, paper, enamel, etc.
 
National standard GB******6
Zinc(as ZnS)+BaSO4 % (m/m)***9 min.
Zinc (as ZnS)% ***8 min.
Zinc Oxide% (m/m)**0.6 max.
**5 degrees Celsius Volatile% (m/m) **0.3 max.
Water Soluble% (m/m) **0.4 max.
Screen residue (*3µm mesh) %(m/m) **0.1 max.
Colour(Compared with standard samples)*-Approximately
Basicity of the aqueous extract*-Neutral
Oil absorption g/**0g ***4 max.
Reducing power (Compared with standard samples) ****5 min.
Covering power(Contrast ratio)*-Not less than 5% of standard samples