STONE POWDER PRODUCTS coated with GERMAN MACHINERY technology
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Forced heat coating system combined with dual separation produces stable pellets, uniform coating, reduced oil absorption and increased resin compatibility. Suitable for Taical resins, recycled pellets and cost-effective applications.
| Specifications | Typical value |
|---|---|
| Production line | Hydraulic crusher – Taiwan technology |
| Surface coating technology | Hot stearic acid spray + forced mixing |
| Productivity (estimated at THNA) | ~5,000 – 6,000 tons/month |
| Average particle size (D50) | 4 – 6 μm |
| Maximum particle size (D97) | ≤ 15 μm |
| Whiteness (ISO) | ≥ 98% |
| Brightness (Hunter L) | ≥ 96% |
| CaCO₃ content | ≥ 98.5% |
| Stearic acid coverage ratio | 0.8 – 1.2% |
| Surface coverage | 97 – 98.5% |
| Oil Absorption | 18 – 23 g/100g (reduced compared to uncoated goods) |
| Humidity | ≤ 0.20% |
| pH | 8.3 – 8.8 |
| Dispersion in plastics | Good – suitable for PP, PE, PVC |
| Colors | Fine white powder, even color |
| Typical applications | Taical plastic, plastic pipes, common plastic granules |
| Packaging | PE/PP bag 25kg or Jumbo bag 1,000kg |
