*Offer valid 12/26/16-12/30/16 while supplies last at participating Hallmark Gold Crown stores in the U.S.A. and at Hallmark.com. Discount will be taken on equal or lesser-valued item. Not valid on past purchases. Hallmark.com orders require U.S. billing and shipping addresses.
Request a Quote. All Seals stocks virtually every seal product you need in virtually every material. This includes a full complement of rubber, machined plastics and standard materials. As you can read in this sectionâs pages, selecting the right material for a seal is crucial. We offer selection guidance in these pages, however, we also encourage you to contact our expert staff for questions and recommendations.
O-rings are available in several different materials such as PTFE, Nitrile (Buna), Neoprene, EPDM Rubber and Fluorocarbon (Viton). Kalrez Â® o-rings and Silicone seals are also widely used high temperature applications.Link to Common O-Ring Materials PDF.-rings are available in several different materials such as PTFE, Nitrile (Buna), Neoprene, EPDM Rubber and Fluorocarbon (Viton). Kalrez Â® o-rings and Silicone seals are also widely used high temperature applications. Link to Common O-Ring Materials PDF.