1.Excellent wheather resistance. 2.Anti-ageing, 3.super resistant of hail, 4.sparkling fire, EPDM ... .5mm. 2.0mm and so on Characteristics 1, The excellent anti-aging, in the long term light, humidity, cold use of ... elongation, high flexibility, capable of sustaining a puncture of hard material, good anti-crack, high adaptability of the grass roots' contraction and ...