High-Density-Urethane-Boards-Last-A-Foam_FR-3700-FST
Item# W10-00072
Ref# 100548

Last-A-Foam® FR-3720, Closed-Cell Rigid Polyurethane Foam for Aerospace, Flame-Retardant, 20 lbs/ft³, (3 in x 48 in x 96 in)

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Dimensions
Thickness
3 in
Width
48 in
Length
96 in
Description
Last-A-Foam® FR-3720 is a high-density rigid polyurethane foam designed for applications that need greater section thickness without excessive weight. This 3-inch-thick, 48 × 96-inch closed-cell foam sheet has a useful combination of strength, flame retardancy, dimensional stability, and machinability for aerospace tooling, composite structures, molds, and industrial fixtures.
Size: 3 in × 48 in × 96 in | Density: 20 lb/ft³ | Designation: FR-3720
Highlights
  • High-density polyurethane foam sheet with a rigid, closed-cell structure
  • 3 inch thickness provides additional material for deeper machining and contoured parts
  • 20 lb/ft³ density with typical compressive strength of 1,250 psi at 75°F
  • Flame-retardant FR-3700 Performance Core formulation for demanding environments
  • Excellent strength-to-weight performance for structural and tooling applications
  • Low moisture absorption and resistance to swelling, cracking, or splitting from water exposure
  • Highly machinable with conventional cutting, shaping, and routing equipment
  • Dimensionally stable and resistant to many common chemicals and solvents
  • Maximum use temperature: 260°F (127°C)
Typical Applications
  • Thicker aerospace composite core sections and reinforced inserts
  • CNC-machined polyurethane tooling board for molds and patterns
  • Master models requiring additional depth for complex contours
  • Vacuum-form tooling and fabrication dies
  • Aircraft interior sandwich panel components and closeouts
  • Industrial jigs, fixtures, tooling blocks, and prototypes
  • Protective impact and fire-insulation components for transport containers
Details
Brand

Last-A-Foam®

Grade

Chemical Resistant, Flame Retardant, High Strength, VOC Free

Technical Guides & Data Sheets
California Residents See Prop 65 Warnings
Warning
Warning

Curbell Plastics, Inc. sells certain products that can expose you to chemicals listed on the Proposition 65 Chemical List that can be found at www.p65warnings.ca.gov/chemicals, which are known to the state of California to cause cancer and/or reproductive harm. For more information, go to www.P65Warnings.ca.gov. If you need information regarding Proposition 65 for a specific product, please indicate so on your order form.

PRODUCT DISCLAIMER
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