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Master Bond adhesives
General Plastics LAST-A-FOAM® FR-3740 Polyurethane Foam
Categories: Other Engineering Material; Composite Core Material; Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced

Material Notes: Product Description: LAST-A-FOAM® FR-3700 is a CFC-free, rigid, closed-cell, flame-retardant polyurethane foam available in densities ranging from 3 to 40 pounds per cubic foot. Tougher and less friable than our FR-6700 series, this aerospace-grade, BMS 8-133-qualified foam enables cutting of crisper edges, making it well-suited to machining complex shapes for composite cores. It exhibits a high strength-to-weight ratio due to its cellular structure and cross-linked resin. Because of its closed-cell structure, LAST-A-FOAM® FR-3700 has excellent resistance to water absorption and will not swell, crack, or split on exposure to water. LAST-A-FOAM® FR-3700 provides exceptional protection for hazardous cargo and payloads as an impact- and fire-insulation liner in transport or packaging containers. It also serves as human bone test media.

Features:

  • Stable
  • Inert
  • Resistant to most chemicals and solvents
  • Easily shaped with common woodworking tools
  • Performs well as wood replacement
  • Will not support fungal growth
Applications:
  • Models and design prototypes
  • Composite Core
  • Honeycomb edge close-out for aircraft interior sandwich panels used in overhead storage bins, passenger cabin class dividers, galleys and lavatories
  • Vacuum form dies and mold patterns

Information provided by General Plastics Manufacturing Company

Vendors:
Available Properties
  • Density, ASTM D1622
  • Hardness, Shore D, 3 lbs/ft3, cut foam surface
  • Hardness, Shore D, ASTM D2240, 40 lbs/ft3, cut foam surface
  • Tensile Strength, ASTM D1623, Parallel to Rise
  • Tensile Strength, ASTM D1623, Perpendicular to Rise
  • Flexural Strength, ASTM D790 Method 1-A, Rise Parallel to Beam Thick.
  • Flexural Strength, ASTM D790 Method 1-A, Rise Parallel to Test Span
  • Flexural Modulus, ASTM D790 Method 1-A, Rise Parallel to Test Span
  • Flexural Modulus, ASTM D790 Method 1-A, Rise Parallel to Beam Thick.
  • Compressive Strength, ASTM D1621, Parallel to Rise
  • Compressive Strength, ASTM D1621, Perpendicular to Rise
  • Compressive Strength, ASTM D1621, Parallel to Rise
  • Compressive Strength, ASTM D1621, Perpendicular to Rise
  • Compressive Strength, ASTM D1621, Perpendicular to Rise
  • Compressive Strength, ASTM D1621, Parallel to Rise
  • Compressive Strength, ASTM D1621, Parallel to Rise
  • Compressive Strength, ASTM D1621, Perpendicular to Rise
  • Compressive Modulus, ASTM D1621, Parallel to Rise
  • Compressive Modulus, ASTM D1621, Perpendicular to Rise
  • Compressive Modulus, ASTM D1621, Perpendicular to Rise
  • Compressive Modulus, ASTM D1621, Parallel to Rise
  • Compressive Modulus, ASTM D1621, Parallel to Rise
  • Compressive Modulus, ASTM D1621, Parallel to Rise
  • Compressive Modulus, ASTM D1621, Perpendicular to Rise
  • Compressive Modulus, ASTM D1621, Perpendicular to Rise
  • Poissons Ratio
  • Dielectric Constant, 3-20 lbs/ft3
  • CTE, linear, GP Method
  • Specific Heat Capacity, ASTM E1269
  • Thermal Conductivity, ASTM C518
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Glass Transition Temp, Tg, ASTM E1824
  
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Manufacturer Notes:
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Category Notes
Plastic

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