... or other high temperature applications. These silicone cone shaped plugs can plug threaded and non-threaded holes.Any interest pls ... in producing automobile rubber spare parts, silicone plugs and silicone caps for painting, e-coating and plating, silicone tube, rubber seal ring, rubber gasket ... choose many rubber materials from our company ,for example: silicone ,EPDM,NBR,HNBR,NR,CR,FKM,SBR,ACM,AEM . ...