Pro Stopper This RFQ was sourced on www.MFG.com in USA for Transfer Molding Production of a Rubber Stopper by Compression molding, Injection molding, or Transfer Molding. Approximate size 12mm x 20mm. Buyer Information Industry Consumer Products City/Region Baltimore, Maryland Country USA RFQ RFQ Number 649375 Material Elastomer Material Grade FKM or FFKM Technical Specifications Category Transfer Molding Dimensions 12x20 inch The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services for the machine tool industry, automotive industry… For more information visit www.MFG.com. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Transfer Molding: Transfer molding is a process in which the molding material, generally thermosetting plastic, is pre-measured and heated in a pot. A plunger forces the near-molten material through channels into the mold cavities where it is cooled.