... molddesigner,then mold production beginning. Mold design incould two part,one is proofing mold made,another is production orders ... fast.Four: Vulcanization start, which is the important part of the rubber products.The conventional curing systemUnsaturated rubbers ... propylene rubber ) and other ].5 bismaleimide, double acrylate. Two valence metal acrylate ( methyl methacrylate ), a polyether acrylate.6 ...