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Lithopone
Product Name: Lithopone
Other Name: Chinese alias C.I. pigment White 5; lithopone powder;
Appearance:Powder
CAS No.:1345-05-7
Product Description:
Lithopone is a remarkably adaptable white pigment celebrated for its outstanding opacity. Crafted from barium sulfate (BaSO4) and zinc sulfide (ZnS) in a precise 70:30 blend, this economically favorable pigment harmonizes moderate brightness with superior hiding power. It masterfully occupies the space between ordinary zinc oxide and premium titanium dioxide. Its distinct chemically co-precipitated structure guarantees uniform particle distribution, making it the perfect selection for uses where ultimate durability isn't the top priority.
Product Specification:
| Property | Specification | Test Method | Grade Variations |
| ZnS Content (%) | 28–30 | ISO 787-14 | High-ZnS Grade: 30–32% |
| Density (g/cm³) | 4.2–4.3 | ASTM D1895 | Low-Density: 4.0 (Modified) |
| Refractive Index | 1.84 | ASTM E1967 | — |
| Whiteness (%) | 90–95 (CIE Lab) | ISO 2470 | Enhanced Whiteness: 96%+ |
| Oil Absorption (g/100g) | 12–18 | ASTM D281 | Low-Oil: ≤10 (Surface Treated) |
| pH Value | 6.5–8.5 | ISO 787-9 | Neutral Grade: 7.0±0.5 |
| Moisture Content (%) | ≤0.3 | ISO 787-2 | Ultra-Dry: ≤0.1% |
| Residue (325 Mesh, %) | ≤0.1 | ASTM D185 | Superfine: ≤0.05% |
| Acid Resistance | Poor (ZnS reacts) | DIN 53775 | Stabilized Grade (Limited Use) |
| Weather Resistance | Moderate (Indoor) | ASTM G154 | — |
Product Applications:
Product Packing:
25 kg Bag:
Loading Capacity: 24 MT (960 bags) per 1 x 20' FCL
Loading Capacity: 24 MT (960 bags) per 1 x 20' FCL
1000 kg Ton Bag (IBC):
Loading Capacity: 20 MT (20-ton bags) per 1 x 20' FCL
Custom Packaging Options:
Tailored packaging options for Lithopone are available to satisfy your unique demands, featuring a variety of sizes and container types for diverse applications.
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