General Plastics Manufacturing Co. Marine High Density Polyurethane Foam LAST-A-FOAM® TR-24 TDS

Description
LAST-A-FOAM® TR-Series Marine FRP high-density polyurethane foams are specially formulated to meet the physical property demands of the FRP-composite boat builder at a competitive price. LAST-A-FOAM® TR-Series Marine FRP foams allow boat designers to replace wood components with a top-quality, non-decaying product. This product is fully compatible with fiberglass-laminatin g production methods. Product Features and Benefits: Uniform material Grain-free material Closed-cell polyurethane Will not absorb liquid water, and is largely unaffected by solvents and paints Fiberglass laminating resins bond readily to LAST-A-FOAM® TR-Series Marine FRP Foams; no mold-release contamination to inhibit bonding Special surface treatment is available for high-density transom shapes, to allow even higher-strength bonds No strength-compromisin g glass-fiber fillers are used in TR-Series Marine FRP Foams LAST-A-FOAM® TR-Series Marine FRP Foams are made in a range of densities to allow the designer/engineer to match physical properties with structural needs. Economy is achieved by using materials matched to the stresses they are expected to encounter. Typical Application Areas: Transoms - Use 15, 20, or 24-lb per cubic foot density Stringers - Use 6-20-lb. per cubic foot density depending on structural need Seat Mounting pads, Steering Wheel mounting - Use 24-30-lb. per cubic foot density Decks, Bulkheads - Use 10-15-lb. per cubic foot, depending on laminate schedule Deck, Bulkhead Reinforcement - Use trapezoidal X-section beams in 6-lb. per cubic foot density Fish Boxes, Bait Wells, Freezer Insulation - Use 6-lb. per cubic foot density Cabinets, Doors, Seats, Walls - Use 6-10-lb. per cubic foot density Hard Points for Lifting Lugs, Cleats, Drain Ports, etc. - Use 24-30-lb. per cubic foot density I/O Motor Mounts--use 24-30 lb. per cubic foot density Special Sizes, Custom Profiles, Kitted Parts: General Plastics Manufacturing Company will manufacture CNC-machined, finished parts for production boat builders. Transoms, stringers, and other special shapes are accurately and quickly cut on our modern production machinery. We can work from CAD files in IGES-format, or digitize an existing part or flat-pattern layout to get the proper part configuration. We optimize material use for best yield, and can supply parts in kits to allow easy use in the factory. Manufacturers get top-quality high-density foam in ready-to-use form, with no wasted time or materials. We are happy to provide quotations for this service on request.
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Description
LAST-A-FOAM® TR-Series Marine FRP high-density polyurethane foams are specially formulated to meet the physical property demands of the FRP-composite boat builder at a competitive price. LAST-A-FOAM® TR-Series Marine FRP foams allow boat designers to replace wood components with a top-quality, non-decaying product. This product is fully compatible with fiberglass-laminatin g production methods. Product Features and Benefits: Uniform material Grain-free material Closed-cell polyurethane Will not absorb liquid water, and is largely unaffected by solvents and paints Fiberglass laminating resins bond readily to LAST-A-FOAM® TR-Series Marine FRP Foams; no mold-release contamination to inhibit bonding Special surface treatment is available for high-density transom shapes, to allow even higher-strength bonds No strength-compromisin g glass-fiber fillers are used in TR-Series Marine FRP Foams LAST-A-FOAM® TR-Series Marine FRP Foams are made in a range of densities to allow the designer/engineer to match physical properties with structural needs. Economy is achieved by using materials matched to the stresses they are expected to encounter. Typical Application Areas: Transoms - Use 15, 20, or 24-lb per cubic foot density Stringers - Use 6-20-lb. per cubic foot density depending on structural need Seat Mounting pads, Steering Wheel mounting - Use 24-30-lb. per cubic foot density Decks, Bulkheads - Use 10-15-lb. per cubic foot, depending on laminate schedule Deck, Bulkhead Reinforcement - Use trapezoidal X-section beams in 6-lb. per cubic foot density Fish Boxes, Bait Wells, Freezer Insulation - Use 6-lb. per cubic foot density Cabinets, Doors, Seats, Walls - Use 6-10-lb. per cubic foot density Hard Points for Lifting Lugs, Cleats, Drain Ports, etc. - Use 24-30-lb. per cubic foot density I/O Motor Mounts--use 24-30 lb. per cubic foot density Special Sizes, Custom Profiles, Kitted Parts: General Plastics Manufacturing Company will manufacture CNC-machined, finished parts for production boat builders. Transoms, stringers, and other special shapes are accurately and quickly cut on our modern production machinery. We can work from CAD files in IGES-format, or digitize an existing part or flat-pattern layout to get the proper part configuration. We optimize material use for best yield, and can supply parts in kits to allow easy use in the factory. Manufacturers get top-quality high-density foam in ready-to-use form, with no wasted time or materials. We are happy to provide quotations for this service on request.
Request a Quote
Datasheet
Datasheet Summary
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LAST-A-FOAM™ TR-24 is a rigid polyurethane foam designed for marine FRP composite applications, offering high compressive and shear strength for structural components such as transoms, hard points, and motor mounts. It has a density of 24.0 pcf (384 kg/m³), closed-cell content of 97.5%, and a thermal conductivity of 0.453 BTU·in/²°F·h (0.065 W/m·K) at 75°F. The material is self-extinguishing per UL94 Section 7 and demonstrates compressive strengths ranging from 1090 to 2368 psi depending on temperature and orientation. Tensile strength is 921 to 1036 psi, shear strength is 885 to 890 psi, and flexural strength is 1316 to 1334 psi. It exhibits a Shore-D hardness of 47.6, coefficient of thermal expansion of approximately 3.2 × 10⁻⁵ in/in/°F, and a glass transition temperature of 256°F. Tumbling friability is 0.9% by weight loss after 20 minutes at 60 rpm.

Datasheet Summary
Powered by GS/AI

LAST-A-FOAM™ TR-24 is a rigid polyurethane foam designed for marine FRP composite applications, offering high compressive and shear strength for structural components such as transoms, hard points, and motor mounts. It has a density of 24.0 pcf (384 kg/m³), closed-cell content of 97.5%, and a thermal conductivity of 0.453 BTU·in/²°F·h (0.065 W/m·K) at 75°F. The material is self-extinguishing per UL94 Section 7 and demonstrates compressive strengths ranging from 1090 to 2368 psi depending on temperature and orientation. Tensile strength is 921 to 1036 psi, shear strength is 885 to 890 psi, and flexural strength is 1316 to 1334 psi. It exhibits a Shore-D hardness of 47.6, coefficient of thermal expansion of approximately 3.2 × 10⁻⁵ in/in/°F, and a glass transition temperature of 256°F. Tumbling friability is 0.9% by weight loss after 20 minutes at 60 rpm.

Suppliers

Company
Product
Description
Supplier Links
Marine High Density Polyurethane Foam - LAST-A-FOAM® TR-24 TDS - General Plastics Manufacturing Co.
Tacoma, WA, United States
Marine High Density Polyurethane Foam
LAST-A-FOAM® TR-24 TDS
Marine High Density Polyurethane Foam LAST-A-FOAM® TR-24 TDS
LAST-A-FOAM® TR-Series Marine FRP high-density polyurethane foams are specially formulated to meet the physical property demands of the FRP-composite boat builder at a competitive price. LAST-A-FOAM® TR-Series Marine FRP foams allow boat designers to replace wood components with a top-quality, non-decaying product. This product is fully compatible with fiberglass-laminatin g production methods. Product Features and Benefits: Uniform material Grain-free material Closed-cell polyurethane Will not absorb liquid water, and is largely unaffected by solvents and paints Fiberglass laminating resins bond readily to LAST-A-FOAM® TR-Series Marine FRP Foams; no mold-release contamination to inhibit bonding Special surface treatment is available for high-density transom shapes, to allow even higher-strength bonds No strength-compromisin g glass-fiber fillers are used in TR-Series Marine FRP Foams LAST-A-FOAM® TR-Series Marine FRP Foams are made in a range of densities to allow the designer/engineer to match physical properties with structural needs. Economy is achieved by using materials matched to the stresses they are expected to encounter. Typical Application Areas: Transoms - Use 15, 20, or 24-lb per cubic foot density Stringers - Use 6-20-lb. per cubic foot density depending on structural need Seat Mounting pads, Steering Wheel mounting - Use 24-30-lb. per cubic foot density Decks, Bulkheads - Use 10-15-lb. per cubic foot, depending on laminate schedule Deck, Bulkhead Reinforcement - Use trapezoidal X-section beams in 6-lb. per cubic foot density Fish Boxes, Bait Wells, Freezer Insulation - Use 6-lb. per cubic foot density Cabinets, Doors, Seats, Walls - Use 6-10-lb. per cubic foot density Hard Points for Lifting Lugs, Cleats, Drain Ports, etc. - Use 24-30-lb. per cubic foot density I/O Motor Mounts--use 24-30 lb. per cubic foot density Special Sizes, Custom Profiles, Kitted Parts: General Plastics Manufacturing Company will manufacture CNC-machined, finished parts for production boat builders. Transoms, stringers, and other special shapes are accurately and quickly cut on our modern production machinery. We can work from CAD files in IGES-format, or digitize an existing part or flat-pattern layout to get the proper part configuration. We optimize material use for best yield, and can supply parts in kits to allow easy use in the factory. Manufacturers get top-quality high-density foam in ready-to-use form, with no wasted time or materials. We are happy to provide quotations for this service on request.

LAST-A-FOAM® TR-Series Marine FRP high-density polyurethane foams are specially formulated to meet the physical property demands of the FRP-composite boat builder at a competitive price. LAST-A-FOAM® TR-Series Marine FRP foams allow boat designers to replace wood components with a top-quality, non-decaying product. This product is fully compatible with fiberglass-laminating production methods.

Product Features and Benefits:

  • Uniform material
  • Grain-free material
  • Closed-cell polyurethane
  • Will not absorb liquid water, and is largely unaffected by solvents and paints
  • Fiberglass laminating resins bond readily to LAST-A-FOAM® TR-Series Marine FRP Foams; no mold-release contamination to inhibit bonding
  • Special surface treatment is available for high-density transom shapes, to allow even higher-strength bonds
  • No strength-compromising glass-fiber fillers are used in TR-Series Marine FRP Foams

LAST-A-FOAM® TR-Series Marine FRP Foams are made in a range of densities to allow the designer/engineer to match physical properties with structural needs. Economy is achieved by using materials matched to the stresses they are expected to encounter. Typical Application Areas:

  • Transoms - Use 15, 20, or 24-lb per cubic foot density
  • Stringers - Use 6-20-lb. per cubic foot density depending on structural need
  • Seat Mounting pads, Steering Wheel mounting - Use 24-30-lb. per cubic foot density
  • Decks, Bulkheads - Use 10-15-lb. per cubic foot, depending on laminate schedule
  • Deck, Bulkhead Reinforcement - Use trapezoidal X-section beams in 6-lb. per cubic foot density
  • Fish Boxes, Bait Wells, Freezer Insulation - Use 6-lb. per cubic foot density
  • Cabinets, Doors, Seats, Walls - Use 6-10-lb. per cubic foot density
  • Hard Points for Lifting Lugs, Cleats, Drain Ports, etc. - Use 24-30-lb. per cubic foot density
  • I/O Motor Mounts--use 24-30 lb. per cubic foot density

Special Sizes, Custom Profiles, Kitted Parts:

General Plastics Manufacturing Company will manufacture CNC-machined, finished parts for production boat builders. Transoms, stringers, and other special shapes are accurately and quickly cut on our modern production machinery.

We can work from CAD files in IGES-format, or digitize an existing part or flat-pattern layout to get the proper part configuration. We optimize material use for best yield, and can supply parts in kits to allow easy use in the factory. Manufacturers get top-quality high-density foam in ready-to-use form, with no wasted time or materials. We are happy to provide quotations for this service on request.

Supplier's Site Datasheet

Technical Specifications

  General Plastics Manufacturing Co.
Product Category Foams and Foam Materials
Product Number LAST-A-FOAM® TR-24 TDS
Product Name Marine High Density Polyurethane Foam
Type ClosedCell; Rigid; Foam
Form / Shape Stock Shape / Machining Grade; Slab / Block
Material / Composition Polymer / Plastic; Polyurethane
Applications Composites or Structural; Marine
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