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HF-400A flame retardant is a halogen-free flame retardant for PA, mainly composed of the organic hypophosphite type. It has excellent flame retardant properties and good thermal stability.
HF-400A flame retardant is a halogen-free flame retardant for PA, mainly composed of the organic hypophosphite type. It has excellent flame retardant properties and good thermal stability. Compared with the bromine antimony flame retardant system , it has the advantages of halogen-free environmental protection, low smoke density, and low smoke toxicity. The flame retardant grade of polyamide material with HF-400A flame retardant can reach UL 94 V-0 (0.75mm), pass the GWIT 750 ℃ and GWFI 960℃ glow wire test, and pass the 70℃×168h immersion test (UL746C), and fully meet the requirements of RoHS and REACH regulations.
| 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 | 12~17 μm | / | ≤0.5 % | 1.4±0.1 g/cm³ | 3.5~4.5 | 0.5~0.7 g/cm³ | / | 22~24 % | / | / | / |
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