... order before mass production. 1. Materials advice: silicone and rubber (EPDM, also NBR, SBR, CR, NR, etc),as your ... resistance etc. Item nameCustom Rubber ProductSizeCustomized/standard and nonstandardBrand NameRubber ProductMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon ... Size50*35*20cmOEM/ODMwelcome Our company product variety Rubber Product ,if you have a mind please contact ...