silicone stopper 1) Excellent compatibility with medicament 2) High clarity 3) Excellent sealing property and sanitary proper silicone stopperWe can produce all kinds of silicone rubber / CR / NR / NBR mould and parts with high qualitysilicone stopper1) Materials: NBR, NR, CR, BR, EPDM,SBR, SILICONE2) Characteristics: high/low temperature-resistant, wearing-resistant, oil-resistant3) ...