... including: Natural rubber / SBR, Neoprene, NBR, EPDM, Butyl, Sillicon, Viton.Colour any colour per your specific requirement. (black, green, ... red, white, grey, or others). Insertion rubber sheeting with one or two ... good electric performance, lightest rubber. Butyl Rubber Sheet: Low permeability, good anti-aging. Sillicon Rubber Sheet: Excellent oil and ...