General Plastics LAST-A-FOAM® FR-4518 High Density, Rigid Foam

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General Plastics LAST-A-FOAM® FR-4518 High Density, Rigid Foam
Categories:	Other Engineering Material
Material Notes:	Information provided by General Plastics Manufacturing Company
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Physical Properties	Metric	English	Comments

Density	0.288 g/cc	0.0104 lb/in³	ASTM D1622

Mechanical Properties	Metric	English	Comments
Tensile Strength	4.94 MPa	716 psi	Perpendicular to Rise; ASTM D1623
	5.06 MPa	734 psi	Parallel to Rise; ASTM D1623
Flexural Strength	7.612 MPa	1104 psi	Rise Parallel to Test Span; ASTM D790 Method 1-A
	7.736 MPa	1122 psi	Rise Parallel to Beam Thick.; ASTM D790 Method 1-A
Flexural Modulus	0.28927 GPa	41.955 ksi	Rise Parallel to Beam Thick.; ASTM D790 Method 1-A
	0.2945 GPa	42.71 ksi	Rise Parallel to Test Span; ASTM D790 Method 1-A
Compressive Strength	4.70 MPa @Temperature 71.1 °C	682 psi @Temperature 160 °F	Parallel to Rise; ASTM D1621
	4.85 MPa @Temperature 71.1 °C	703 psi @Temperature 160 °F	Perpendicular to Rise; ASTM D1621
	7.012 MPa @Temperature 23.9 °C	1017 psi @Temperature 75.0 °F	Parallel to Rise; ASTM D1621
	7.398 MPa @Temperature 23.9 °C	1073 psi @Temperature 75.0 °F	Perpendicular to Rise; ASTM D1621
Compressive Modulus	0.14208 GPa @Temperature 71.1 °C	20.607 ksi @Temperature 160 °F	Parallel to Rise; ASTM D1621
	0.14407 GPa @Temperature 71.1 °C	20.896 ksi @Temperature 160 °F	Perpendicular to Rise; ASTM D1621
	0.15732 GPa @Temperature 23.9 °C	22.818 ksi @Temperature 75.0 °F	Parallel to Rise; ASTM D1621
	0.16468 GPa @Temperature 23.9 °C	23.885 ksi @Temperature 75.0 °F	Perpendicular to Rise; ASTM D1621
Poissons Ratio	0.30	0.30

Thermal Properties	Metric	English	Comments
CTE, linear	522 µm/m-°C @Temperature -45.6 - 93.3 °C	290 µin/in-°F @Temperature -50.0 - 200 °F	GP Method
Thermal Conductivity	0.0563 W/m-K	0.391 BTU-in/hr-ft²-°F	ASTM C518
Glass Transition Temp, Tg	103 °C	217 °F	ASTM E1824

Descriptive Properties
Surface Roughness	610		sanded, SJ-201P per JIS B0601-1982
Tumbling Friability (%)	0.53		20 mins at 60 rpm, ASTM C421

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PGENR025 / 186811

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