J6 Polymers JFOAM™ G-304 Engineered Specialty Foam

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J6 Polymers JFOAM™ G-304 Engineered Specialty Foam
Categories:	Other Engineering Material
Material Notes:	JFoam™ G-304 is used in structural panels, insulation, buoyancy, electronic potting and applications requiring high continuous service temperatures. Flammability modification is available and is identified as "modified." Information provided by J6 Polymers LLC
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Physical Properties	Metric	English	Comments

Density	0.0561 g/cc	0.00203 lb/in³
Viscosity	2000 cP	2000 cP	T Component, Polymeric TDI
	20000 cP	20000 cP	R Component, Polyol Blend
Storage Temperature	18.3 - 29.4 °C	65.0 - 85.0 °F

Mechanical Properties	Metric	English	Comments
Compressive Strength	0.359 MPa	52.0 psi	Perpendicular, 10% deflection; ASTM D1621
	0.503 MPa	73.0 psi	Parallel, 10% deflection; ASTM D1621

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+18 ohm-cm @Time 60.0 sec	>= 1.00e+18 ohm-cm @Time 0.0167 hour	500 Volts DC; ASTM D257
Dielectric Strength	1.57 kV/mm	40.0 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
CTE, linear	72.0 µm/m-°C @Temperature 15.6 - 93.3 °C	40.0 µin/in-°F @Temperature 60.0 - 200 °F
Thermal Conductivity	0.0331 W/m-K	0.230 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	149 °C	300 °F

Processing Properties	Metric	English	Comments
Shelf Life	6.00 Month	6.00 Month

Descriptive Properties
Closed Cell Content	95%
Mixing Ratio	0.31		Modified, R Component Water Blown Polyol
	0.36		R Component Water Blown Polyol
	0.64		T Component TDI Prepolymer
	0.69		Modified, T Component TDI Prepolymer
Water Immersion	0.07 lbs/ft²		10' head @ 1 week

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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PJSIX023 / 190950

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