LAST-A-FOAM® FR-6725 is a rigid, closed-cell, flame-retardant polyurethane foam designed for aerospace applications, with a density of 25 lb/ft³ (400 kg/m³), compressive strength of 2,030 psi (14,000 kPa), tensile strength of 1,110 psi (7,650 kPa), shear strength of 1,700 psi (6,900 kPa), and flexural strength of 11,700 kPa. It has a maximum use temperature of 260°F (127°C) and a coefficient of thermal expansion of 35 × 10⁻⁶ in/in-°F. The material is easily machined and meets industry flammability standards for aircraft interiors.
The LAST-A-FOAM® FR-6700 is a polyurethane that meets requirements of Boeing BMS 8-133, McDonnell-Douglas DMS-1937, and Federal Aviation Regulation FAR 25.853 (a) and (b). It is specifically designed to meet the physical properties , flammability performance requirements, and processing guidelines for the aircraft manufacturing industry.
| General Plastics Manufacturing Co. | |
|---|---|
| Product Category | Foams and Foam Materials |
| Product Number | LAST-A-FOAM® FR-6725 TDS |
| Product Name | Aerospace Flame-retardant Polyurethane Foam |
| Type | ClosedCell; Rigid; Foam |
| Form / Shape | Stock Shape / Machining Grade; Slab / Block |
| Material / Composition | Polymer / Plastic; Polyurethane |
| Applications | Aerospace; Composites or Structural; CoreMaterial; Tooling or Modeling |