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General Plastics to Feature High Temp, Low CTE Tooling Board, Dielectric Foam and Other High Performance Polyurethane Foam at CAMX 2019.

General Plastics Manufacturing Co., a global supplier of high-performance polyurethane foam products and composite parts, will be at CAMX 2019, in Anaheim, CA, booth M36, to showcase its new LAST-A-FOAM® FR-4800 tooling board as well as LAST-A-FOAM® RF-2200 dielectric foam. A new addition to General Plastics’ range of tooling material, FR-4800 is a thermally-stable tooling board that offers engineers and designers an exceptional material that withstands high processing temperatures and provides a fast and economical tooling option for producing high-tolerance parts, proofs-of-concept, demo models and one-off builds.

In addition to the tooling board, General Plastics will also feature various high-performance polyurethane foam products, including LAST-A-FOAM® RF-2200 dielectric foam. RF-2200 fulfills a variety of applications involving transmission and receipt of wireless electronic signals.


LAST-A-FOAM®FR-4800 tooling board is well-known as a dimensionally stable and non-abrasive material that machines well. It withstands peak temperatures up to 480°F (249°C) and continuous use temperatures up to 400°F (204°C). Unlike other plastics on the market, it allows its users to reliably produce high-tolerance parts due to its low and predictable CTE. It can be used with high-temperature resin systems (vinyl esters, epoxies, and BMIs), in high-pressure autoclaves and vacuum-forming.


General Plastics will also feature a range of low-density dielectric foam, namely LAST-A-FOAM® RF-2200. This material is the latest among its line of dielectric polyurethane foam for applications such as radomes, electrical isolators, spacers in material and antenna construction and electronic packaging insulation. It is a closed-cell polyurethane foam that provides an RF-transparent, low-loss protective layer for applications where electrical insulative materials are needed. It is offered in standard densities of 3, 4, and 6 pounds per cubic foot, but other densities can be provided to meet the specific dielectric constant and loss tangent the application requires.


The company’s high-capacity production facilities enable it to scale production from small runs to specialty parts to ongoing, high-volume parts programs for OEMs and Tier 1 and Tier 2 parts programs. Its one-stop-shop services extend from part and tool design to 5-axis CNC machining, manufacture of mold tooling, molding, assembly and production of parts through all phases of delivery. Parts are molded and fabricated to customers’ specifications using rigid, flexible and semi-flexible LAST-A-FOAM® materials.