... ,quickly supply 3.open mould base on drawing Size rubber suction cup according to customers' drawingMaterialEPDM, NR, SBR, ... Metal Partstainless steel, zinc coated metal, etcTechnologymouldingRemarks: how to choose the material, every material has its advantage, EPDM- ... aging and weather resistance, NR-tensile strength and abrasion resistance, NBR-oil ...