Customized Colored High Temperature Resistant Silicone Rubber PlugProduct Name Silicone rubber plugMaterialNR, NBR, SBR, EPDM, IIR, CR, SILICONE, VITONHardness20~90 Shore APackingInner-Plastic Bag; Outer -Standard Carton ... the laboratory .Working ProcessWe can provide all kinds of silicone plugs, rubber plugs, rubber part,etc,welcome to customize!Our products are sold ...