... , machinery, bathroom facilities, household electrical appliances 1. Materials advice:silicone and rubber (EPDM, also NBR, SI, HNBR,SBR, CR, BR, ... ±3 shore A tolerance. 8. high/low temperature resistance, oil and fuel, water, weathering andOzone resistance etc. 9. echnical service: ... offer the mold design prior to mold making,materials advice and we test samples , then run mass production.Mold/samples ...