- Product Name: Halogen-Free Polypropylene (PP) Flame Retardant /MH-HF900 - Advantages MH-HF900 is a kind of halogen-free environment-friendly flame retardant with N and P for polyolefin. Especially for PP products, and can be used in other polyolefin products as well. Test past: --UL94 V0 (0.75mm) --70â??�?168hrs water-immersion (UL746C) --GWIT 750â?? --GWFI 960 --free from the restrictions of RoHS Directive 2002/95/EC approved by the EU and the Council - Characteristics: Low density, Lower smoke generation, Less mold corrosion - Applications All kinds of fire-resistant Polyolefin plastics, such as warm air blower, bracket of microwave oven, wind wheel, strip and so on. - Specifications: Appearance: White Powder Density: 1.8�±0.2 g/cm3 Phosphorous Content: 18.0-20.0% Nitrogen Content: 16.0-18.0% Water: 0.5% max Water Solubility: 0.6 g/100ml max Average Particle Size: 10~15 (D50) �¼m Decomposition Temperature: 250 min - Package and Storage Package: 25kgs kraft bag with plastic lining. Handle with care, keep air-tight and dry.