Cellular rubber products that are available in natural rubber, neoprene, EPDM, Nitrile, SBR, sponge/cork, electrostatic dissipative, and customer-designed compounds.

These high-density microcelluar polyurethane foams are available in a wide range of thicknesses and properties to meet your specific needs. Let us enlighten YOU!

While offering excellent compression set resistance, gelothane® is a urethane foam offered in ultra-soft to very firm formulations to fit your specific needs.

High density urethane foam used for die ejection, static and dynamic vibration dampening featuring excellent abrasion and tear resistance.


Nestled in the serene Connecticut countryside, Griswold was established in 1949. Since then we have become a leading manufacturer of standard and custom engineered cellular rubber and microcellular polyurethane foam products worldwide. Through the years, we have earned a reputation for delivering quality engineered products with service second to none.

We welcome your inquiries and look forward to the opportunity to service your needs.