... NBR, SBR, NR, EPDM, VMQ, FKM, LAS, FVMQ, FFKM and Silicone (Food grade and high transparent);Standards:SGS, UL, RoHs, FDA ... ...Color:Regularly black, red, blue, yellow for rubber material, for silicone, any colors are available according to your panton #; Hardness:25 ... : We accept OEM service.Please see the photos of the silicone rubber parts for your reference: Please see the following features ...