Rogers PORON® 4701 Urethane Foams & BISCO® Silicone Foams

PORON® Urethane and BISCO® Silicone sponge for gaskets and dust seals

PORON® 4701 urethane foams and sponge materials make good gaskets and dust seals while offering outstanding compression set resistance and vibration control. Rogers' PORON® 4701 is able to meet smoke, flame and toxicity requirements for transportation industry leading standards.  Rogers PORON® Urethane foams and BISCO® silicones are high-performance foam and sponge materials.

PORON® 4701 urethane foams and BISCO® silicone foams offer superior performance for transit and rail car applications, aerospace and aircraft interiors, enclosures and handheld electronics. PORON® sponge and BISCO® silicone materials can help improve sealing and vibration performance immediately.

PORON® 4701 foam gasket and BISCO® silicone foams provide:

  • Excellent compression set resistance for durable, long-term performance gaskets and dust seals.
  • Low-outgassing and non-fogging, containing no plasticizers or residual chemicals to contaminate devices.
  • PORON® 4701 sponge won't become brittle and crumble and is non-corrosive to metal.
  • PORON® 4701 is inherently flame retardant without additives.
  • PORON® 4701 meets the flammability requirements of UL HBF and MVSS 302.
  • Good chemical resistance.
  • Easy to fabricate, die-cuts cleanly and works with a broad range of adhesives.
  • Broad range of formulas and thicknesses from 0.012" to 0.500" (0.43mm to 12.7mm).

Sealing Devices also offers a complete line of BISCO® high performance silicone foams and sponge materials.

Rogers PORON® and BISCO® are licensed trademarks of Rogers Corporation.

Poron 4701 Urethane Foams