Technical Specification :GB/T1707-86
Item | Standard (B301) | Standard (B302) | ||
First-Class Product | Second-Class Product | First-Class Product | Second-Class Product | |
BaSO4 Zn (as ZnS)%(m/m) ≥ | 99 | --- | 99 | --- |
Zinc (as ZnS) (m/m)%≥ | 28 | 28 | 28 | 28 |
Zinc Oxide %(m/m) ≤ | 0.6 | 0.7 | 0.3 | 0.4 |
105°C Volatile%(m/m)≤ | 0.3 | 0.3 | 0.3 | 0.3 |
Water Soluble%(m/m) ≤ | 0.4 | 0.5 | 0.4 | 0.5 |
Screen Residues (63μm Mesh) %(m/m) ≤ | 0.1 | 0.1 | 0.1 | 0.1 |
Color(Compared with Standard) | Approximation | |||
Alkalinity of Water Extract | Neutral | |||
Oil Absorption g/100g ≤ | 14 | 14 | 11 | 11 |
Color Killing (Compare with Standard) %≥ | 105 | |||
Cover Rate (Ratio) | Not less than 5% standard plot | |||
Molecular Formula:ZnSBaSO4
Molecular Weight:330.80
Properties:A white pigment, Relativedensity:4.136-4.39, Insoluble in water.
Not react with sulfuric acid and alkaline solution of hydrogen.Decompounds into hydrogen sulfide gas, easily oxidized in air,Lumps because of humidity, high cover rate.
Application:Inorganic white pigment, Widely usedfor the white paint such as polyolefin, vinyl resin, ABS resin,polystyrene, polycarbonate, nylon, POM, plastic, paint and ink. Forthe coloration of the rubber, cloth, leather, paper, coloredenamel, etc.
Package:50 kg lined with plastic bag, coat plasticwoven bag
