Material : Rubber and EPDM granule Color : Black, yellow, green, gray, blue, purple, etc. Thickness: 15/20/ 25/ 30/40/45/50mm Specification : 500mm*500mm, 1000mm*1000mm Package : In pallet Surface treatment : compact Service life: More than 15 years Flame retardant: Bf1-S1 Acoustic performance : 12dB Anti resistive >10 Chemical resistance qualified Dimensional stability : 0.05% Residual depression degree : 0.08mm Skid resistance: R9 group Degree of fading : >= 3 rating Abrasion resistance : T group Resistance performance : -0.05mm The national material testing : qualified