... ,SBR,EPDM) 1.rubber,silicone seal 2.Nonstandard, custom-made any shape seal 3.Meet SGS,FDS,ROHS,NSF 4.OEM/ ... (NR,BR,NBR,SBR,CR,EPDM etc) rubber seal Features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR, SBR ... tolerance.8. High QA/QC system: excellent chemical and physical property, high/low temperature resistance, oil and fuel, water, weathering and Ozone resistance etc.9. OEM or ...