... durable,anti corrosion,anti static,light weight,flame retardant composite stone for molding,smt,reflow,circuit boardfeatures:durable,anti corrosion,anti static ... retardantUsage:(1) Reflow and Surface mounting(2) Support board for flexible printed circuitFeatures:(1)Low electric conductivity(2)Good electronic ... also can be customizedPunching and milling are also available. composite stone for molding