... 2.food contact following FDA code CFR21 3.Non-toxic,tasteless silicone rubber sheetDimensions: 1-80mmx3800m(TXW) ... Application: Good flexibility, for punching seals, washer etc.Rubber Type including: Natural rubber / SBR, Neoprene, NBR, EPDM, Butyl, Sillicon ... good electric performance, lightest rubber. Butyl Rubber Sheet: Low permeability, good anti-aging. Sillicon Rubber Sheet: Excellent oil and ...