ITW Insulation TRYMER® 2500 Polyisocyanurate Insulation

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ITW Insulation TRYMER® 2500 Polyisocyanurate Insulation
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	TRYMER™ 2500 insulation is a modified polyisocyanurate cellular material supplied in the form of bunstock for fabrication into sheets, pipe, tank and vessel covering and other shapes for a variety of thermal insulation applications. Although similar in physical form to polyurethane insulations, TRYMER™ 2500 has better dimensional stability over a wider range of temperatures. TRYMER™ 2500 has been specifically formulated to provide excellent thermal insulation properties without the use of CFC or HCFC blowing agents. Applications: TRYMER™ 2500 is used extensively in industrial and commercial applications within the service temperature range of -297°F to +300°F (-183°C to +149°C). Because of the critical technical design aspects of many of these applications, qualified designers or consultants should design the total system. Some typical applications include: Pipe, tank and vessel insulation Fabricated pipe fitting insulation Core material for architectural and structural panels Insulation for shipping containers, trucks or rail cars Core material for factory built panelized constructions Flat or tapered boardstock for roof insulation Information provided by ITW Insulation Systems
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Physical Properties	Original Value	Comments

Density	0.0400 g/cc	ASTM D1622
Water Absorption	0.70 % @Time 86400 sec	immersion; ASTM C272

Mechanical Properties	Original Value	Comments
Tensile Strength	25.0 psi	Perpendicular to rise-width; ASTM D1623
	32.0 psi	Perpendicular to rise-length; ASTM D1623
	35.0 psi	Parallel to rise-thickness; ASTM D1623
Tensile Modulus	725 psi	Perpendicular to rise-width; ASTM D1623
	900 psi	Parallel to rise-thickness; ASTM D1623
	1090 psi	Perpendicular to rise-length; ASTM D1623
Flexural Strength	42.0 psi	parallel to rise; ASTM C203
Flexural Modulus	780 psi	parallel to rise; ASTM C203
Compressive Strength	30.0 psi	Perpendicular to rise-width; ASTM D1621
	39.0 psi	Parallel to rise-thickness; ASTM D1621
	40.0 psi	Perpendicular to rise-length; ASTM D1621
Compressive Modulus	490 psi	Perpendicular to rise-width; ASTM D1621
	790 psi	Parallel to rise-thickness; ASTM D1621
	1000 psi	Perpendicular to rise-length; ASTM D1621
Shear Modulus	285 ksi	parallel to perpendicular, avg; ASTM C273
Shear Strength	17.0 psi	parallel to perpendicular, avg; ASTM C273

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.141 W/m-K	ASTM C518
	0.190 W/m-K	Aged 180 days; ASTM C518
Maximum Service Temperature, Air	149 °C
Minimum Service Temperature, Air	-183 °C
Flame Spread Index	<= 25 @Thickness 25.4 - 152 mm

Descriptive Properties
Closed Cell Content	95%	ASTM D2856
Color	Tan
Dimensional Stability	+0.1% Change	at -23°C, 7 days, Length, ASTM D2126
	+0.1% Change	at -23°C, 7 days, Volume, ASTM D2126
	+0.4% Change	at 70°C, Length, ASTM D2126
	+0.6% Change	at 70°C, Volume, ASTM D2126
	+1.5% Change	at 70°C, 97% RH, 7 days, Length, ASTM D2126
	+2.6% Change	at 149°C, 7 days, Length, ASTM D2126
	+3% Change	at 70°C, 97% RH, 7 days, Volume, ASTM D2126
	+3.6% Change	at 149°C, 7 days, Volume, ASTM D2126
	-0.1% Change	at -40°C, 7 days, Length, ASTM D2126
	-0.2% Change	at -40°C, 7 days, Volume, ASTM D2126
R-Value	0.93 (m²-°C)/W	aged 180 days, ASTM C518
	1.25 (m²-°C)/W	ASTM C518
Surface Burning Characteristics	295	Smoke Generation
Water Vapor Permeability	3 perm-inch	ASTM E96

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