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Rigid Foams

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Rigid Polyurethane Foams

LAST-A-FOAM® rigid CFC-free polyurethane foam products are cost-effective, versatile, strong and durable. They are manufactured using our unique chemical formulas to be exceptionally uniform and consistent in all physical properties. You will find a wide spectrum of formulations in multiple densities. Our high-density, flame-retardant, rigid and marine foams are also available in a broad range of physical forms, including rigid foam boards and blocks. This allows us to best align HDU foam properties with your specific needs – and help you contain material and manufacturing costs.

R-3300 Series

SUBMERSIBLE FOAM SERIES Hydrostatic pressure-resistant foams provide buoyancy for underwater flotation applications without liquid penetration. They are also used as core material in resin-transfer molding.

FR-3700

PERFORMANCE CORE SERIES Tough BMS 8-133-qualified foam cuts crisply for machining complex shapes. It also serves as impact- and fire-insulation liners for hazardous material, and as human bone-test media.

FR-4300

THERMOFORMABLE BOARD SERIES These foam boards are ideal for composite panel cores and other structures where compound-curved surfaces or other details can be made with common thermo-forming methods.

FR-4500

TOOLING BOARD SERIESTough, grain-free machineable boards for styling, design and master models, composite/layout tool masters, and pattern making. An optimal wood alternative for outdoor signage and displays.

FR-4700

HIGH-TEMP TOOLING BOARD SERIES Supports prepreg composite layout tooling for high-temperature applications up to 400ºF. Ideal for prototype machining, vacuum forming, pattern making, and limited-run tooling.

FR-6700

AEROSPACE GRADE SERIES Flame-retardant foam for aircraft composite core withstands processing up to 250ºF. Superb for models and design prototypes, vacuum-form dies and mold patterns, honeycomb edge closeout.

FR-7100

MULTI-USE CORE AND MODELING BOARD SERIES Uniform foam is easily finished or painted for low-cost core applications, hand-carved models, prototypes, CNC-machined topographical maps, composite layup tools, industrial patterns.

R-9300

STRUCTURAL THERMAL INSULATION BLOCK SERIESHigh-density urethane cellular foam combines high compressive strength with little deflection and extraordinary thermal insulation to support heavy structural loads. Ideal for construction uses.

TR-Marine

Structural strength with moisture resistance offers boat designers a top-quality, non-decaying wood alternative that is fully compatible with fiberglass-laminating production methods.

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