Flame-retardant Grade 301
Specification:301
Partide-Diameter Range:1.00-1.80
Screen Efficiency:>1.8mm<1%;1.0-1.8mm>98%
Expandable Range:50-70
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.