Elliott Company ELFOAM® P400 Polyisocyanurate Foam

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Elliott Company ELFOAM® P400 Polyisocyanurate Foam
Categories:	Other Engineering Material; Composite Core Material; Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	ELFOAM P400 is a 4.0 lb/ft3 (64 kg/m3), rigid, unfaced, closed cell polyisocyanurate foam supplied as blocks, sheets, shapes and custom parts for a variety of insulation, core material and carving applications. Polyisocyanurate foam (polyiso) is similar to polyurethane foam but offers greater dimensional stability over a wider service temperature range. Applications include: Laminated wall and roof panels Truck bodies, trailers, shipping containers and railcars FRP panels, tanks and shelters Pultrusion and infusion processes Plugs, patterns and carved products Information provided by Elliott Company of Indianapolis Inc.
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Physical Properties	Metric	English	Comments

Density	0.0640 g/cc	0.00231 lb/in³	ASTM D1622
Water Absorption	0.50 %	0.50 %	By Volume; ASTM C272

Mechanical Properties	Metric	English	Comments
Tensile Strength	>= 0.407 MPa	>= 59.0 psi	Perpendicular; ASTM D1623
	0.552 MPa	80.0 psi	Parallel; ASTM D1623
Tensile Modulus	>= 0.0108 GPa	>= 1.56 ksi	Perpendicular; ASTM D1623
	0.0186 GPa	2.70 ksi	Parallel; ASTM D1623
Compressive Strength	>= 0.427 MPa	>= 62.0 psi	Perpendicular; ASTM D1621
	0.586 MPa	85.0 psi	Parallel; ASTM D1621
Compressive Modulus	>= 0.00965 GPa	>= 1.40 ksi	Perpendicular; ASTM D1621
	0.0145 GPa	2.10 ksi	Parallel; ASTM D1621
Shear Modulus	>= 0.00517 GPa	>= 0.750 ksi	Perpendicular; ASTM C273
	0.00586 GPa	0.850 ksi	Parallel; ASTM C273
Shear Strength	>= 0.345 MPa	>= 50.0 psi	Perpendicular; ASTM C273
	0.379 MPa	55.0 psi	Parallel; ASTM C273

Thermal Properties	Metric	English	Comments
CTE, linear	63.0 µm/m-°C @Temperature -17.8 - 121 °C	35.0 µin/in-°F @Temperature 0.000 - 250 °F	ASTM E228
Insulation R Value	5.4	5.4	Hr-ft²-°F/BTU; Aged 10 days at 158°F; ASTM C518
	5.9	5.9	Hr-ft²-°F/BTU; Initial value; ASTM C518
Maximum Service Temperature, Air	149 °C	300 °F
Minimum Service Temperature, Air	-183 °C	-297 °F
Flammability Test	25	25	Flame Spread up to 6” (15.23 cm); ASTM E84
	<= 450	<= 450	Smoke Developed up to 6” (15.23 cm); ASTM E84

Descriptive Properties
Closed Cell Content (%)	95
Color	Yellow
Dimensional Stability (Length Change)	plus 0.1%		-40°F (-40°C) + Ambient RH/14 days; ASTM D2126
	plus 0.2%		212°F (100°C) + Ambient RH/14 days; ASTM D2126
	plus 1.1%		158°F (70°C) + 97% RH/14 days; ASTM D2126
Dimensional Stability (Volume Change)	minus 0.1%		-40°F (-40°C) + Ambient RH/14 days; ASTM D2126
	No Change		212°F (100°C) + Ambient RH/14 days; ASTM D2126
	plus 2.3%		158°F (70°C) + 97% RH/14 days; ASTM D2126
Hot Surface Performance at 300°F (149°C)	Pass		ASTM C411
Polyisocyanurate Insulation Requirements	Grade 2, Type V compliant		ASTM C591
Water Vapor Transmission	2.0 perms/in (2.9 ng/Pa-s-m)		ASTM E96

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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PELLIOTT96 / 182685

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