HF-410A is an organic hypophosphite halogen-free flame retardant for polyester. It has excellent flame retardant properties and good thermal stability.
HF-410A is an organic hypophosphite halogen-free flame retardant for polyester. It has excellent flame retardant properties and good thermal stability. Compared with the Br/Sb flame retardant system, it has the advantages of low smoke density, and low smoke toxicity. The flame retardant grade of flame retardant PBT and PET with HF-410A can reach UL 94 V-0 (0.8mm), GWIT 750 ℃, GWFI 960 ℃, etc., and fully meets 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 | ≥350 ℃ | 22~24 % | / | / | / |
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