... 5.Fast delivery,many models Molded silicone rubber part 1.Materails:silicone and rubber (EPDM, also NBR, ... Hardness: 30 to 90 shore A or IRHD, tolerance can be +/-5 shore ... silicone and rubber,non-toxic,odorless,harmless to body 2.Ware-resisitance,heat-resistance,durable.3.Any color,shape or package can customized ... free Poly bags. Also can designed according to your requirement.5.Delivery time: Usually ...