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	Original Value	Comments

Density	3.50 lb/ft³
Viscosity	2000 cP	T Component, Polymeric TDI
	20000 cP	R Component, Polyol Blend
Storage Temperature	65.0 - 85.0 °F

Mechanical Properties	Original Value	Comments
Compressive Strength	52.0 psi	Perpendicular, 10% deflection; ASTM D1621
	73.0 psi	Parallel, 10% deflection; ASTM D1621

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+18 ohm-cm @Time 60.0 sec	500 Volts DC; ASTM D257
Dielectric Strength	40.0 V/mil	ASTM D149

Thermal Properties	Original Value	Comments
CTE, linear	40.0 µin/in-°F @Temperature 15.6 - 93.3 °C
Thermal Conductivity	0.230 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	300 °F

Processing Properties	Original Value	Comments
Shelf Life	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

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PJSIX023 / 190950

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