Specification:303

Partide-Diameter Range:0.63-1.15

Screen Efficiency:>1.15mm<1.5%；0.63-1.0mm>98%；<0.63mm<1%

Expandable Range:40-60

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.