Specification: 501

Particle size: 0.35-0.55

Sieve analysis: 0.35-0.55mm>98%

Expandable Range: 15-30

Characteristics&Application: Good flame-retardant, good frothing good preserving, good binding and low heat-conducting rate Oxygen index over 30 (testing after 7-14 days flowing EPS being shaped), used as building-materials, materials for heat preservation, thermal insulation and for packing precision instruments.