Whitening pigment
Product Overview:B301 Lithopone is a conventional lithopone, appearing as a white powder, insoluble in water, with chemical stability; upon contact with acids, it disperses and releases H2S gas.
Quality Standards
Item Item | Indicator Index | |
B301 | B311 | |
First-class goods | First-class quality | |
Total zinc content based on zinc sulfide and total BaSO4, % (m/m ≥) Sum of zinc sulfide | 99 | 99 |
Total Zinc Content (as zinc sulfide) % (m/m) ≤ Total zinc amount(calculated as zinc sulfide) | 28 | 30 |
Zinc Oxide (%) (m/m) ≤ Zinc oxide | 0.3 | 0.3 |
105℃ Volatile Matter (%) (m/m) ≤ Volatile matters at 105℃ | 0.4 | 0.3 |
Soluble Matter (%) (m/m) ≤ Water soluble | 0.4 | 0.4 |
Residue (through 63μm sieve) (%) (m/m) ≤ Residue on the sieve（63μm mesh） | 0.2 | 0.2 |
Color (Compared to Standard Sample) Color(compared with standard sample） | Similar | Similar |
Oil Absorption g/100g | 14 | 12 |
Color Extraction (% compared to standard sample) ≥ Tint reducing power(compared with standard sample) | 100 | 100 |
Coverage (Contrast Ratio) Covering power(contrast ratio) | Not less than 5% (compared to the sample standard) Not less than 5% (standard sample) | |
Application Fields:Broadly used in industries such as coatings, powders, plastics, profiles, paints, latex paints, rubber, papermaking, and leather.
Packaging:25kg paper-plastic composite bags, as well as 500kg and 1000kg ton bags, available for custom packaging.
Transportation:Handle with care during loading and unloading to prevent packaging contamination and damage. Protect products from rain and direct sunlight during transportation.
Storage:Store in a well-ventilated and dry area; stack no more than 20 layers high; strictly avoid contact with items that may react with the product; and take precautions against dampness.
