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HF-900B is a halogen-free environmentally friendly flame retardant based on Ammonium
Polyphosphate, fully meet the requirements of RoHS and REACH regulations.
HF-900B is a halogen-free environmentally friendly flame retardant based on Ammonium Polyphosphate, fully meet the requirements of RoHS and REACH regulations. This flame retardant is specially designed for various flame-retardant PP products and can also be used for other polyolefin flame retardant products. It is composed of acid source, gas source, and carbon source, with phosphorus and nitrogen as flame retardant elements, and it has a flame retardant effect by forming an expanded carbon layer to block oxygen and fire sources. HF-900B can make the materials reach UL94 V-0 (1.5mm), GWIT 750℃, GWFI 960℃, and the flame retardant products have low density, low smoke and low toxicity, and low corrosion to molds. HF-900B does not contain anti-dripping agent.
| 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 % | 1.8 ± 0.1 g/cm³ | 6.5~8.0 | 0.5~0.7 g/cm³ | ≥ 250 ℃ | 24~27 % | 19-21% | ≤20ppm | / |
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