General Plastics Manufacturing Co. - Nuclear Containers

LAST-A-FOAM® FR-3700 series outperforms wood and other polymeric materials in nuclear material applications and transporting extremely hazardous waste. (read more)

General Plastics Manufacturing Co. - LAST-A-FOAM R-3300 Submersible Foam

LAST-A-FOAM® R-3300 submersible foam is optimal for nuclear reactor underwater robotics applications. This premier closed-cell material, in 12-, 15-, and 18-pcf. densities, machines effortlessly to precisely match the unique robotics automation design. (read more)

General Plastics Manufacturing Co. - Unique Flame-Retardant Polyurethane Foam!

LAST-A-FOAM® FR-4300 heat-formable foam is unique flame-retardant structural polyurethane foam. It is intended for composite panel cores and other structures where compound-curved surfaces or other details can be made with low-cost heat-forming methods. (read more)

General Plastics Manufacturing Co. - FOAM-COMB Gap Fill Series

FOAM-COMBTM is a multi-purpose seal and filler used within the aerospace industry. It consists of flexible-foam-filled Nomex ® honeycomb. Lightweight and rigid in one direction, yet flexible in the other direction, FOAM-COMB is an ideal material for interior trim parts and where noise reduction is required. (read more)

General Plastics Manufacturing Co. - Foam board for protoypes and models

General Plastics is manufactures standard & custom rigid polyurethane foams, flexible polyurethane foams & production parts. (read more)

General Plastics Manufacturing Co. - Composite core for boating industry

LAST-A-FOAM® allows boat builders to replace wood components with non-decaying products that are fully compatible with fiberglass laminating production methods. (read more)

General Plastics Manufacturing Co. - Solar Panel Backing Support

General Plastics LAST-A-FOAM® provides a structural backing for solar panels. LAST-A-FOAM can provide long-term durability, structural strength and rigidity for optical clarity of solar panels. The strength to weight ration makes LAST-A-FOAM ideal for solar panel installation and will not rot nor decompose. (read more)

General Plastics Manufacturing Co. - Tooling Board for vacuum forming

GP is a manufacturer of standard & custom foam tool boards. (read more)

General Plastics Manufacturing Co. - Standard & custom closed-cell rigid foam

GP manufacturers standard and custom closed cell foam. Available as polyurethane rigid foams. (read more)

General Plastics Manufacturing Co. - Blast Containment Mitigation Structures

Blast Containment Mitigation Structures

The BLAST-TAMER® wall system incorporates advanced technology polyurethane foam designed to mitigate inadvertent explosion.

It provides cost-effective, space-saving storage of such volatile materials as military ordnance, pyrotechnics, high-explosives and combustible chemicals. (read more)

General Plastics Manufacturing Co. - What to look for in foam.

What to ask when evaluating polyurethane foam products (read more)

General Plastics Manufacturing Co. - Prototype and Models Foam Board

See why top university design teams use GP's FR-7100 for their vehicle prototypes. FR-7100 is made in more densities than any other product we offer and large block sizes are available for large-scale modeling. (read more)

General Plastics Manufacturing Co. - Shock Absorbing Flexible Foams

General Plastics’ open-cell flexible polyurethane foams deliver efficiency while absorbing energy at a consistent, controlled rate. Our flexible foam sheets can be used in series or in parallel to relieve static stress on flexible shock-attenuation material. They can also break up resonance or change shock-pulse frequencies. (read more)

General Plastics Manufacturing Co. - Flexible foams for Aerospace

General Plastics Manufacturing Company offers unique open-celled flexible polyurethane foams with engineered energy absorption properties. These foams allow users to design systems delivering good efficiency while absorbing energy at a consistent, controlled rate. (read more)

General Plastics Manufacturing Co. - Tooling Board for Aerospace Industry

High-Temperature, High-Density Epoxy-Urethane Foam: an Economical Alternative for Soft Tool and Molds. LAST-A-FOAM® FR-4700 HT foam is an alternate solution for soft small, monolithic or large-mass tools, as well as low-rate or rapid prototyping. It can be more rapidly machined, it is easily bonded, and it is more economical than wood, alloy or epoxy-based alternatives. (read more) (read more)

General Plastics Manufacturing Co. - Sub-sea hydrostatic foam

LAST-A-FOAM® R-3300 is a hydrostatic-pressure resistant foam formulation with outstanding (up to 350 psi) resistance to penetration by water and other liquids. It is available in densities of 15 and 18 lbs/cubic foot. (read more)

General Plastics Manufacturing Co. - Prototype and modeling core

Prototypes and Models-Products FR-4500 and FR-7100

Whether you are building a sports car, topographical map, movie props and sculptures, LAST-A-FOAM® has proven to be a stable and precise material for the design engineer. (read more)

General Plastics Manufacturing Co. - Heat-formed Polyurethane Core

LAST-A-FOAM® FR-4300 heat-formable foam is unique flame-retardant structural polyurethane foam. It is intended for composite panel cores and other structures where compound-curved surfaces or other details can be made with low-cost heat-forming methods. (read more)

General Plastics Manufacturing Co. - Thermal Isolation For Industrial Buildings

LAST-A-FOAM® R-9300 Continuous Insulation Blocks are designed to support heavy and structural loads while maintaining thermal control throughout building interiors and exteriors. (read more)

General Plastics Manufacturing Co. - Aerospace-grade foam for cabin interior

LAST-A-FOAM® FR-3700 meets the requirements of aircraft BMS8:133. Use for applications in

  • Models and design prototypes
  • Composite Core, especially where flame-retardancy is important
  • Honeycomb edge close-out for aircraft interior sandwich panels used in: Overhead storage bins, passenger cabin dividers, galleys and lavatories
(read more)
General Plastics Manufacturing Co. - High-Temperature Tooling Board up to 400 °F

High temperatures can be a challenge for tooling boards. Most just can't handle the heat, which increases your processing time and slows production. The FR-4700 series can withstand peak temperatures up to 400° F and continuous use temperatures up to 350° F, significantly more than other products on the market. (read more)

General Plastics Manufacturing Co. - Composite Core Lightens Your Load

These lightweight, load-bearing panels outperform wood and metal for cargo containers, load floors, and other applications. (read more)

General Plastics Manufacturing Co. - Thermal weight -bearing blocks for construction

Cold Storage Construction Column Bearing Blocks-Products R-9300

General Plastics R-9300 Thermal Isolation Blocks series are a high-density cellular polyurethane material. They are designed to support heavy structural loads while insulating a building interior from the external elements. They are commonly used as column bearing blocks for cold storage fac... (read more)

General Plastics Manufacturing Co. - Build-to-print Polyurethane Flexible Integral Skin

General Plastics manufactures standard & custom urethane & polyurethane flexible integral skin foam. (read more)

General Plastics Manufacturing Co. - Urethane & polyurethane foam cores for CNC

GP manufactures standard & custom urethane & polyurethane foam cores. (read more)

General Plastics Manufacturing Co. - Soft Tools vs. Metallic Tools? An Alternative

High-temperature, High-Density Epoxy-Urethane Foam is an economical and time-saving solution for soft small and monolithic or large-mass tools, low-rate and rapid prototyping because it can be more rapidly machined, easily bonded and it is more economical than wood, alloy or epoxy-based alternatives. (read more)

General Plastics Manufacturing Co. - Fine-cell foams for topographical models and maps

Topographers enjoy the consistent cell-structure and density of the FR-4500 and FR-7100 foam boards, which makes cutting their models with CNC routers simple and accurate. The fine small cells allow easy paint finishing of completed models, and the dimensional stability of sheets keep models flat and true. Valued in notable institutions worldwide. (read more)

General Plastics Manufacturing Co. - HDU Polyurethane Foam for Signs & 3D Modeling

General Plastics high-density urethane (HDU) foam is the leading choice to replace wood in sign manufacturing. Its ease of machining makes it the ideal material for artists and its long-term durability allows it to withstand harsh climates. (read more)

General Plastics Manufacturing Co. - Marine & Military Specification Foam

Manufacturer of standard & custom marine & military specification foam. General Plastics products include rigid foams, flexible foams & production parts. (read more)