- Product Name: Intumescent Halogen-Free Polypropylene (PP) Flame Retardant Masterbatch/MH-FR4801 -Advantage: This product is an intumescent halogen-free flame retardant masterbatch which is based on MH-FR/PP-1. It is specifically applied to varieties of flame retardant polypropylene, and can reach UL94-V0(3.0-1.5mm) 、UL94 5VA and also can pass 850℃ glow-wire test. - Application: Homo and Copo PP - Specification: Appearance: Nature Granule N Content: 13-16% P Content: 14-20% Moisture:0.3%max Density: 1.3-1.5g/cm3 Decomposition Temperature: 270℃ min - Package & Storage: 25kgs kraft bag with plastic lining. Handle with care, keep air-tight and dry.