... . Is generally believed that the silicone tube can be used outdoors for more than 20 years.Slim smart case/cover ... NBR,SBR,EPDM,HNBR,IIR,FKM,ACM . Our productsare widely used in the fields of electron, military electric products, household products ... toys, car accessories, giftware and baby products. Our products are oil-proof, acid and alkaline-resistant, abrasion resistant, tensile, tear-resistant ...