General Plastics LAST-A-FOAM® FR-6712 Polyurethane Foam

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General Plastics LAST-A-FOAM® FR-6712 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	Metric	English	Comments

Density	0.192 g/cc	0.00694 lb/in³	ASTM D1622

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	20.5	20.5	cut foam surface; ASTM D2240
Tensile Strength	2.27 MPa	329 psi	Perpendicular to Rise; ASTM D1623
	2.45 MPa	356 psi	Parallel to Rise; ASTM D1623
Flexural Strength	3.79 MPa	549 psi	Rise Parallel to Test Span; ASTM D790
	3.93 MPa	570 psi	Rise Parallel to Beam Thick.; ASTM D790
Flexural Modulus	0.13020 GPa	18.884 ksi	Rise Parallel to Test Span; ASTM D790
	0.13163 GPa	19.091 ksi	Rise Parallel to Beam Thick.; ASTM D790
Compressive Strength	1.55 MPa @Temperature 121 °C	225 psi @Temperature 250 °F	Perpendicular to Rise; ASTM D1621
	1.60 MPa @Temperature 121 °C	232 psi @Temperature 250 °F	Parallel to Rise; ASTM D1621
	2.27 MPa @Temperature 93.3 °C	329 psi @Temperature 200 °F	Parallel to Rise; ASTM D1621
	2.28 MPa @Temperature 93.3 °C	330 psi @Temperature 200 °F	Perpendicular to Rise; ASTM D1621
	3.52 MPa @Temperature 23.9 °C	511 psi @Temperature 75.0 °F	Perpendicular to Rise; ASTM D1621
	3.64 MPa @Temperature 23.9 °C	528 psi @Temperature 75.0 °F	Parallel to Rise; ASTM D1621
	5.28 MPa @Temperature -53.9 °C	766 psi @Temperature -65.0 °F	Perpendicular to Rise; ASTM D1621
	5.82 MPa @Temperature -53.9 °C	844 psi @Temperature -65.0 °F	Parallel to Rise; ASTM D1621
Compressive Modulus	0.05148 GPa @Temperature 121 °C	7.466 ksi @Temperature 250 °F	Perpendicular to Rise; ASTM D1621
	0.05421 GPa @Temperature 121 °C	7.862 ksi @Temperature 250 °F	Parallel to Rise; ASTM D1621
	0.06690 GPa @Temperature 93.3 °C	9.703 ksi @Temperature 200 °F	Parallel to Rise; ASTM D1621
	0.06698 GPa @Temperature 93.3 °C	9.715 ksi @Temperature 200 °F	Perpendicular to Rise; ASTM D1621
	0.096099 GPa @Temperature 23.9 °C	13.938 ksi @Temperature 75.0 °F	Perpendicular to Rise; ASTM D1621
	0.10526 GPa @Temperature -53.9 °C	15.267 ksi @Temperature -65.0 °F	Perpendicular to Rise; ASTM D1621
	0.10559 GPa @Temperature 23.9 °C	15.315 ksi @Temperature 75.0 °F	Parallel to Rise; ASTM D1621
	0.12103 GPa @Temperature -53.9 °C	17.554 ksi @Temperature -65.0 °F	Parallel to Rise; ASTM D1621
Poissons Ratio	0.30	0.30

Thermal Properties	Metric	English	Comments
CTE, linear	63.0 µm/m-°C @Temperature -45.6 - 93.3 °C	35.0 µin/in-°F @Temperature -50.0 - 200 °F	GP Method
Specific Heat Capacity	1.57 J/g-°C	0.376 BTU/lb-°F	ASTM E1269
Thermal Conductivity	0.0354 W/m-K	0.246 BTU-in/hr-ft²-°F	ASTM C518
Glass Transition Temp, Tg	135 °C	275 °F	ASTM E1824

Descriptive Properties
Closed Cell Content	96.7%
Heat of Combustion	10939 BTU/lb		ASTM D240
Tumbling Friability (%)	7.9
Water Absorption	0.043 lbs/ft²

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PGENR038 / 186824

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