*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.
Depending on the application and the designof the seal, the material used may be nitrile, polyacrylate, fluoroelastomer(Viton), silicone, nylon or TeflonÂ¨. Nitrile is one of theleast expensive materials, and has been used for many years inumbrella or deflector type seals for older pushrod engines.
Synthetic rubber also generally comes with good levels of chemical and temperature resistance, with specific degrees varying according to the type of elastomer. We offer a variety of types of synthetic rubber including: Neoprene, Nitrile, Silicone, EPDM, SBR, and thermoplastic materials like Santoprene. Each synthetic rubber offers a unique characteristic and has been developed by industry for specific types of use.