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

GP manufactures standard & custom urethane & polyurethane foam cores. (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. - General Plastics Thermal Isolation Blocks

General Plastics R-9300 Thermal Isolation Blocks 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 storage facilities. (read more)

General Plastics Manufacturing Co. - Thermal bearing blocks for floor panels

Walk-in floor panel blocks• Used inside a floor panel for walk-in coolers and freezers, these lower density blocks, cost-effectively support shelving as well as provide a valuable thermal break to prevent the transfer of thermal energy between the floor and ground. The insulating qualities minimize costly energy losses. General Plastics provides blocks to your specified dimensio... (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. - Walk- In Floor Panels Using Thermal Blocks
  • FR-7100 Thermal Isolation Blocks are designed to ensure minimal energy loss
  • High compression strength foam to support column loads
  • Closed cell material will not absorb water
  • LAST-A-FOAM® blocks will not rot or decompose
  • Chemically and biologically inert
  • Creep resistant
  • Blocks are marked for easy placement a...
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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)

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. - 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. - Foam for nuclear materials transportation

LAST-A-FOAM® FR-3700 foams are high-performance materials intended primarily for applications in nuclear materials and extremely hazardous waste transportation. (read more)

General Plastics Manufacturing Co. - Canopy/Mansard Support Block

Our high-density polyurethane foam blocks provide a thermal barrier for metal canopy or mansard supports where they penetrate the building exterior walls. (read more)

General Plastics Manufacturing Co. - Standard & Custom Foam Shapes & Dimensions

GP manufactures standard & custom foam shapes. Products include rigid foams & flexible foams. (read more)

General Plastics Manufacturing Co. - Insulating blocks prevent radiant heat transfer!

Placed on top of the building’s roof, these insulating blocks support HVAC and other heavy equipment while preventing radiant heat transfer to the building’s interior. This added insulation keeps the building interior cooler and reduces the load on cooling equipment, lowering utility costs. (read more)

General Plastics Manufacturing Co. - Polyurethane Foam for Nuclear Waste Transportation

General Plastics has been the leader in collision and fire protection for nuclear transportation packages for more than 40 years. The proven impact resistance of the LAST-A-FOAM® FR-3700 series, coupled with its fire protection properties, make it the ideal material for applications in nuclear materials and extremely hazardous waste transportation. FR-3700 outperforms wood and other... (read more)

General Plastics Manufacturing Co. - Medical industry foam transparent to X-rays

LAST-A-FOAM® engineered polyurethane foam for Medical OEM Manufacturer
General Plastics' LAST-A-FOAM® products are used with medical imaging table equipment. (read more)

General Plastics Manufacturing Co. - Blast mitigation material in ordnance storage

The Blast-Tamer® wall system, which incorporates advanced-technology polyurethane foam, is designed to mitigate inadvertent explosion in ordnance storage facilities. It absorbs and disperses blast energy upward, not to adjoining compartments. (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. - 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. - 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. - 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. - 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. - Precast /Tilt-up Concrete Wall Panel Blocks

R-9300 Series prevents thermal energy transfer between the building and ground when installed under precast and tilt-up concrete walls. Because these insulating construction blocks offer excellent load-bearing ability and durability, only a few are required to support each wall. This eliminates wasted material while preventing costly energy loss. (read more)

General Plastics Manufacturing Co. - Aerospace Flyaway Parts for Flight Decks & Cabins

We are experts at meeting demanding LAST-A-FOAM® application requirements. We have pattern and tooling capability, and accept customer-supplied CAD data. We also have broad CNC capability to make parts fitting your requirements (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. - High-Temperature, High-Density Epoxy-Urethane Foam

An Economical Alternative for Soft Tool and Molds. High-temperature, high-density epoxy-urethane foam is an economical and time-saving 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)

General Plastics Manufacturing Co. - Support heavy structural loads while insulating

General Plastics R-9300 Thermal Isolation Blocks 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 storage facilities. (read more)

General Plastics Manufacturing Co. - Outstanding Performance in a Supporting Role

LAST-A-FOAM® R-9300 Thermal Column-Bearing Blocks are designed to support heavy structural loads while maintaining thermal control within building interiors. Made of proven, high-density rigid cellular polyurethane material, these blocks are ideal for coldstorage facilities. They combine high compressive strength with little deflection and extraordinary thermal insulation. (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. - 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)