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    Home / Aerospace-grade rigid foam core materials for aircraft / Last-a-foam core series fr-3700

    General Plastics Aeronautic Boards FR 3700 Serie

    Categories: Aerospace-grade rigid foam core materials for aircraft, Last-a-foam core series fr-3700
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    Flame-Retardant Polyurethane 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. 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 great resistance to water absorption, and will not swell, crack, or split on exposure to water. 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. This flame-retardant polyurethane foam particularly supports the following industries.

    Aerospace

    FR-3700 meets the requirements of aircraft BMS 8:133. This rigid, polyurethane foam is comparable to the FR-6700 in strength, temperature resistance and flammability performance. However, the FR-3700 is tougher (less friable) for cutting crisper edges.

    Medical

    High-density rigid polyurethane FR-3700 foam is used to simulate human bone as a test medium within the medical device industry.

    Use LAST-A-FOAM® 3700 Performance Core Series for constructing durable, weatherproof radomes. Impervious to moisture and transparent to radio signals, they protect marine, aerospace and recreational microwave antennas. Their high Tg suits prepregs that cure at higher temperatures. Or, let our Production Services team fabricate completed radomes using fiberglass prepregs from your specs.

    Advantages

    • Stable and inert
    • Flame retardant
    • High strength-to-weight ratio from cross-linked resin
    • 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, especially where flame retardation is important
    • Honeycomb edge closeout for aircraft interior sandwich panels used in overhead storage bins, passenger cabin class dividers, galleys and lavatories
    • Radioactive materials (RAM) transportation packages
    • Impact- and fire-insulation liner for hazardous waste containers
    • Vacuum form dies and mold patterns
    • Artificial human bone test media
    • Core material for composite prostheses
    • Load bearing

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      Product Categories

      • Product categories

        • Adhesives Resins
          • Epoxy
          • Methacrylate
          • Polyurethane
        • Aerospace-grade rigid foam core materials for aircraft
          • Last-a-foam core series fr-3700
          • Last-a-foam core series fr-6700
        • Bonding agents
        • Coatings and sealers
        • Composite resins
          • Epoxy
        • Elastomeric polyurethane
        • Miscellaneous
        • Modeling boards
          • High density
          • Low density
          • Medium density
        • Molding and casting resins
          • Elastomeric polyurethane
          • Epoxy
          • Rigid polyurethane
        • Potting compounds
          • Epoxy
          • Rigid polyurethane
        • Rapide prototyping resins
          • Elastomeric polyurethane
          • Rigid polyurethane
        • Release agents
        • Silicone-Based Molding Resins
        • Thermoformable foam
          • Last-a-foam fr-4300 thermoformable foam board series
        • Uncategorized

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