1) material: rubber, 2 layers 2) anti-distortion, long life quality 3) surface resistance: 10^7 - 10^9 ohm Rubber ESD mat is produced by nitrile - butadiene rubber, special prescription and produce technology with best performance of antistatic, moderate hardness and high tensile strength, No smell and good abrasion resistance, oil resistant and elasticity.Apply for the industrial of electronic, ...