General Plastics LAST-A-FOAM® FR-6710 Polyurethane Foam

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General Plastics LAST-A-FOAM® FR-6710 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-6700 is a CFC-free, rigid, closed-cell, flame-retardant polyurethane foam for aircraft composite core that withstands process temperatures up to 250°F. It is available in densities ranging from 10 to 25 pounds per cubic foot and 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-6700 has great resistance to water absorption and will not swell, crack, or split on exposure to water. Product Feature: Stable Inert Will not support fungal growth Resistant to most chemicals and solvents Easily shaped with common woodworking tools Performs well as wood replacement 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
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Physical Properties	Original Value	Comments

Density	0.160 g/cc	ASTM D1622

Mechanical Properties	Original Value	Comments
Hardness, Shore D	16.7	cut foam surface; ASTM D2240
Tensile Strength	251 psi	Perpendicular to Rise; ASTM D1623
	281 psi	Parallel to Rise; ASTM D1623
Flexural Strength	387 psi	Rise Parallel to Beam Thick.; ASTM D790
	391 psi	Rise Parallel to Test Span; ASTM D790
Flexural Modulus	11816 psi	Rise Parallel to Beam Thick.; ASTM D790
	12086 psi	Rise Parallel to Test Span; ASTM D790
Compressive Strength	149 psi @Temperature 121 °C	Perpendicular to Rise; ASTM D1621
	160 psi @Temperature 121 °C	Parallel to Rise; ASTM D1621
	211 psi @Temperature 93.3 °C	Perpendicular to Rise; ASTM D1621
	223 psi @Temperature 93.3 °C	Parallel to Rise; ASTM D1621
	330 psi @Temperature 23.9 °C	Perpendicular to Rise; ASTM D1621
	348 psi @Temperature 23.9 °C	Parallel to Rise; ASTM D1621
	518 psi @Temperature -53.9 °C	Perpendicular to Rise; ASTM D1621
	564 psi @Temperature -53.9 °C	Parallel to Rise; ASTM D1621
Compressive Modulus	5100 psi @Temperature 121 °C	Perpendicular to Rise; ASTM D1621
	5384 psi @Temperature 121 °C	Parallel to Rise; ASTM D1621
	5999 psi @Temperature 93.3 °C	Perpendicular to Rise; ASTM D1621
	6509 psi @Temperature 93.3 °C	Parallel to Rise; ASTM D1621
	8804 psi @Temperature 23.9 °C	Perpendicular to Rise; ASTM D1621
	9958 psi @Temperature 23.9 °C	Parallel to Rise; ASTM D1621
	10810 psi @Temperature -53.9 °C	Perpendicular to Rise; ASTM D1621
	12865 psi @Temperature -53.9 °C	Parallel to Rise; ASTM D1621
Poissons Ratio	0.30

Thermal Properties	Original Value	Comments
CTE, linear	35.0 µin/in-°F @Temperature -45.6 - 93.3 °C	GP Method
	40.0 µin/in-°F @Temperature 23.9 - 121 °C
Specific Heat Capacity	0.376 BTU/lb-°F	ASTM E1269
Thermal Conductivity	0.212 BTU-in/hr-ft²-°F	ASTM C518
Maximum Service Temperature, Air	250 °F
Minimum Service Temperature, Air	-320 °F
Glass Transition Temp, Tg	275 °F	ASTM E1824

Descriptive Properties
Closed Cell Content	68%	25 lbs/ft³
	96%	10 lbs/ft³
Heat of Combustion	10939 BTU/lb	ASTM D240
Tumbling Friability (%)	1	25 lbs/ft³
	10.89	10 lbs/ft³
Water Absorption	0.01 lbs/ft²	18 lbs/ft³
	0.049 lbs/ft²	10 lbs/ft³

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PGENR037 / 186823

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