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HF-400B flame retardant is a halogen-free flame retardant for PA,mainly composed of phosphorus and nitrogen as flame retardant elements.
HF-400B flame retardant is a halogen-free flame retardant for PA,mainly composed of phosphorus and nitrogen as flame retardant elements. It has excellent flame retardant properties and good thermal stability. Compared with bromine antimony flame retardant system, it has the advantages of halogen-free environmental protection, low smoke density, and low smoke toxicity. HF-400B can make the materials reach UL 94 V-0 (0.75mm), pass GWIT 750℃ and GWFI 960℃ glow wire test, and pass 70℃ ×168 hours 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 | 10~15 μm | / | ≤0.5 % | 1.4±0.1 g/cm³ | 3.5~4.5 | 0.5~0.7 g/cm³ | / | 19~21 % | 12~14 % | / | / |
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