The rubber inner layer is made of natural gum or ethylenepropylenedienerubber, and the rubber outer layer is made of chloroprene rubber or ethylenepropylenedienerubber.
橡胶内层的材质为天然胶或三元乙丙橡胶,外层橡胶的材质为氯丁胶或三元乙丙橡胶。
2
In this thesis elastomers such as nitrile rubber (NBR-40), natural rubber (NR) and ethylenepropylenediene monomer (EPDM) are blended with HDPE to improve the shape recovery properties of HDPE.