Profile: Rainier Rubber Co. is a manufacturer of custom molded rubber products, seals and o-rings. We mold a full spectrum of elastomers from natural rubber to perfluoroelastomer products. We deliver transfer, compression and injection molding techniques. We serve industries like the aerospace, automotive and semiconductor industries. Our brands include Allchem® and Chemtemp®. We are accredited with ISO 9001 certification.