*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.
The performance of fluoroelastomers in aggressive chemicals depends on the nature of the base polymer and the compounding ingredients used for molding the final products (e.g. O-rings). This performance can vary significantly when end-users purchase Viton polymer containing rubber goods from different sources.here are four families of viton polymers: 1  A (Dipolymers of VF2/HFP): General purpose sealing. 2  Automotive, Aerospace fuels & lubricants. 3  Nominal polymer fluorine content: 66%. 4  B (Terpolymers of VF2/HFP/TFE): Chemical Process plant, Power Utility Seals & Gaskets.