NORSEAL® Silicone Rubber


Saint-Gobain Norseal® Silicone Rubber Custom Fabricated To Your Exact Specifications – Gaskets, Seals, Pads and More

NORSEAL® (formerly COHRlastic®) silicone rubber is a line of high performance silicone materials from Saint Gobain. Their unique chemical structure gives them a high temperature stability and general inertness.  SRP can custom fabricate NORSEAL® Silicone Rubber materials to our customer’s exact specifications for the perfect gaskets, seals, pads, and other products. NORSEAL® materials are perfect for applications requiring gasketing, cushioning, sealing, insulating, and vibration dampening.

Saint-Gobain Norseal® Silicone Rubber

Product Number:Spec Grade:
NORSEAL® 300-700
Specification Grade
NORSEAL® 9030-9070Specification Grade
NORSEAL® 9235-9275High Performance Grade (High Tear Strength)
NORSEAL® EC102 Electrically Conductive Grade

Saint-Gobain NORSEAL® Reinforced Solid Rubber

Product Number:Spec Grade:
NORSEAL® CF3320General Purpose
NORSEAL® CF4032Thin Solid Silicone Rubber
NORSEAL® CF4050Thin Solid Silicone Rubber
NORSEAL® CF4420Solid Silicone rubber with temperature resistance up to 400°F (204° C) and pressures up to 500 psi
NORSEAL® CF4444Up to 400°F and pressures up to 1000 psi
NORSEAL® CF4451Custom product offering designed to bleed static in application
NORSEAL® CF4480 Up to 600°F (315°C ) and pressure up to 1000 psi
NORSEAL® R10450Reinforced Fiberglass

Saint-Gobain NORSEAL® Strip-N-Stick Silicone Tape

Product Number:Spec Grade:
NORSEAL® 100SClosed Cell with Silicone Adhesive
NORSEAL® 200AClosed Cell Silicone Tape with Acrylic Adhesive
NORSEAL® 300ARFiberglass-Supported Closed Cell Sponge with Acrylic Adhesive
NORSEAL® 440S Soft Solid Silicone Rubber with Silicone Adhesive
NORSEAL® 440ASoft Solid Silicone Rubber with Acrylic Adhesive
NORSEAL® 512AFSoft Flame Retardant Silicone Foam with Acrylic Adhesive
NORSEAL® Silicone
Foam Rubber
NORSEAL® F-12Silicone Foam (Low Density) (UL94V-0)


SRP: Building Relationships through Converting Solutions Since 1951

We provide our customers with everything from material sampling and product prototyping to full manufacturing, packaging, and delivery. We provide value to our customers by delivering exceptional customer service, engineering solutions, and quality products to meet their every need. All sheet rubber gaskets products can be supplied with Pressure Sensitive Adhesives. Many of these materials meet industry specs for the military, automotive, and aerospace industries.

For more information, you can reach SRP at or 847-593-5630.