Flame-retardant Grade 401
Specification:401
Partide-Diameter Range:0.55-0.80
Screen Efficiency:>0.8mm<1%;0.55-0.8mm>98%;<0.55mm<0.7%
Expandable Range:30-50
Characteristics&Application:Good flame-retardant, goodfrothing good preserving, goodbinding and low heat-conductingrate.Oxygen index over 30 (testingafter 7-14 days flowing EPS beingshaped), used as building-materials, materials for heatpreservation, thermal insulatlonand for packing precision instruments.