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HF-802B is an advanced halogen-free flame retardant utilizing phosphorus-nitrogen synergistic technology, specifically engineered for polypropylene applications
HF-802B is an advanced halogen-free flame retardant utilizing phosphorus-nitrogen synergistic technology, specifically engineered for polypropylene applications. Unlike conventional ammonium polyphosphate (APP) systems, this innovative formulation delivers superior thermal stability and processing performance while meeting stringent UL94 V-0 standards at both 0.75mm (pure PP) and 1.5mm (glass-fiber reinforced PP) thicknesses. The product demonstrates exceptional durability by passing critical GWIT 750°C and GWFI 960°C. Fully compliant with RoHS Directive 2011/65/EU, HF-802B offers additional advantages including low density, minimal smoke emission, and reduced mold corrosion. Its unique anti-water-sliding properties during extrusion make it particularly effective for glass-fiber reinforced PP applications in electronics and automotive components, combining environmental safety with outstanding flame retardant performance.
| Appearance | Average particle size | Water solubility | Water content | True Density | pH | Bulk density | Decomposition temperature | Phosphorus content | Nitrogen content | Cr, Cd, Pb, Hg, As | Whiteness |
| White powder | 5~8 μm | / | ≤0.5 % | 1.8±0.1 g/cm³ | 3.5~4.5 | 0.4~0.7 g/cm³ | ≥260 ℃ | 19~21 % | 18~20 % | ≤20 ppm | / |
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