1.The technical advantages and disadvantages of natural rubber liner, chloroprene rubber liner, precuring butyl rubber liner and room temperature self-vulcanization butyl rubber liner are compared.
2.The main materials we used are including silicone rubber, fluorubber, natural rubber, neoprene rubber, EPDM, butyl rubber, polyurethane, polyethylene, EVA, ABS, PP, and PVC.
2.They're not made out of butyl rubber and they're not made out of latex. They're actually made out of an interesting kind of plastic compound which is super super light and I think that explains a bit of the ride feel.