ASTM D6576 and Closed Cell Silicone Sponge

November 27, 2015

Military Specification Mil-R-6130C established requirements for cellular rubber used for sponge gaskets and cushioning pads in defense equipment in the 1980’s and 1990’s. Both closed cell (Type 2) and open… read more

Vibration Pads

MIL-DTL-83528/4 EMI Flange Gaskets

October 29, 2015

MIL-DTL-83528/4 is a standardized family of EMI flange gaskets. The dimensions and materials are well defined by the MIL specification. Stockwell Elastomerics manufactures standard and custom EMI gaskets from Type… read more

MIL-DTL-83528_4, Connector Gasket, Geometry

Green Heat Conductive Rubber Pad

October 15, 2015

Heat conductive rubber, also referred to as green heat conductive rubber, is a unique closed cell silicone sponge that has very fine ceramic particles mixed in the polymer to enhance… read more

What is Foam Compression Set?

September 3, 2015

In simple terms, compression set is a measure of how much a material does NOT rebound.  This is expressed in a percentage, for gasketing, the lower % the better (to… read more

Compression Set of Foams

New Poron Webpage

August 6, 2015

As a manufacturer of gaskets and pads made from high performance materials, Stockwell Elastomerics is a converter and supplier of PORON® urethane foam. Poron is manufactured by Rogers Corporation and brought… read more

Poron with cells

Double Sided Tape for Gaskets

July 13, 2015

Stockwell Elastomerics is a custom gasket manufacturer who specializes in high performance materials.  A part of a gasket that is often overlooked is the adhesive backing, we hear it called… read more

Poron with 3M 200MP

Soft Silicone Rubber for Sealing to IP67 & IP68

June 17, 2015

IP67 is a rating often associated with ruggedized electronics, outdoor lighting fixtures, and other enclosures requiring a high level of sealing. Stockwell Elastomerics manufactures custom rubber components for OEMs where… read more

IP67 Gaskets

What is Strip-N-Stick?

May 14, 2015

Many years ago the Connecticut Hard Rubber (CHR) Company developed Strip-N-Stick®, an expanded silicone sponge with a silicone based adhesive backing. Through a web of acquisitions, CHR was acquired by… read more

Best Gasket Manufacturer

April 28, 2015

Over the years Stockwell Elastomerics has received a lot a compliments for its work. We recently had a customer tell us that Stockwell Elastomerics is the best gasket manufacturer, and… read more

Molded Parts Group