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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Tensile Strength	>= 59.0 psi	Perpendicular; ASTM D1623
	80.0 psi	Parallel; ASTM D1623
Tensile Modulus	>= 1560 psi	Perpendicular; ASTM D1623
	2700 psi	Parallel; ASTM D1623
Compressive Strength	>= 62.0 psi	Perpendicular; ASTM D1621
	85.0 psi	Parallel; ASTM D1621
Compressive Modulus	>= 1400 psi	Perpendicular; ASTM D1621
	2100 psi	Parallel; ASTM D1621
Shear Modulus	>= 0.750 ksi	Perpendicular; ASTM C273
	0.850 ksi	Parallel; ASTM C273
Shear Strength	>= 50.0 psi	Perpendicular; ASTM C273
	55.0 psi	Parallel; ASTM C273

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

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PELLIOTT96 / 182685

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