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Last-A-Foam FR-4700 Series

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High Temperature Tooling Board

LAST-A-FOAM® FR-4700 HIGH-TEMPERATURE TOOLING BOARD SERIES

Our advanced LAST-A-FOAM® FR-4700 high-temperature polyurethane foam tooling boards can withstand peak temperatures up to 400° F (200°C) and continuous-use temperatures up to 350° F (177°C) – significantly more than other products on the market. This series is non-abrasive and can be machined with standard high-speed steel (HSS) cutting tools. It can also be cut cleanly with water jets and traditional wood-carving tools. Affordable and dimensionally stable, this rigid foam board is ideal for prototype machining, high-temperature curing prepregs, vacuum forming, pattern making, and other limited-run tooling where traditional metal dies are cost-prohibitive. The FR-4700 high-temperature series of high-density foam is available in thicknesses up to 12 inches in 18-lb. densities, and up to 11 inches in 30- and 40-lb. densities. This high-performance material is an excellent choice for all of your high-temperature needs.

AdvantagesApplications
  • Withstands peak temperatures up to 400°F
  • Supports continuous-use temperatures up to 350°F
  • Highly machinable
  • Consistently uniform
  • Dimensionally stable
  • Prototype machining
  • Prepreg composite layup tools
  • High-temperature curing prepregs
  • Master plugs and molds
  • Vacuum forming
  • Tool proofing
  • Limited-run tooling
  • Pattern making
  • Master model making
  • Monolithic tools and molds

Sizing Chart

ProductsDensity (lbs/ft3)HeightWidth Length
FR-4718  18 12 48 96
FR-4730  30 11 24 96
FR-4740  40 11 24 96

Shown are maximum standard stock sizes based on density. Custom sizes are available. Cut sizes are available from .125 inches (3.175 mm) up to standard stock heights as listed above.

ProductsDensity (kg/m3)HeightWidth Length
FR-4718  288 31 122 243
FR-4730  481 28 61 243
FR-4740  641 28 61 203

Shown are maximum standard stock sizes based on density. Custom sizes are available. Cut sizes are available from .125 inches (3.175 mm) up to standard stock heights as listed above.

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