DIAB Klegecell® TR 75 High-performance Expanded Polymer Foam Core Material

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DIAB Klegecell® TR 75 High-performance Expanded Polymer Foam Core Material (discontinued **)
Categories:	Other Engineering Material; Composite Core Material; Polymer
Material Notes:	Klegecell TR is a high performance expanded polymer foam core material chemically formulated to be dimensionally stable at elevated temperatures. As a structural core, Klegecell TR is widely used and found in aircraft interior panels, marine structures, antennas and radome structures, insulated freight containers and many other applications. Klegecell TR grade is available in a range of densities as standard sheets or fabricated to customer specification. Information provided by DIAB, Inc.
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Physical Properties	Metric	English	Comments

Density	0.0753 g/cc	0.00272 lb/in³	Nominal
	0.0678 - 0.08659 g/cc	0.00245 - 0.003128 lb/in³	Tolerance from nominal of -10%/+15%.; ISO 845
Water Vapor Transmission	5.10 g/m²/day	0.328 g/100 in²/day	ISO 1663

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1.70 MPa	247 psi	ISO 1926
Elongation at Break	11 %	11 %	Shear Strain
Tensile Modulus	0.0550 GPa	7.98 ksi
Compressive Strength	1.10 MPa	160 psi	ISO 844
Compressive Modulus	0.100 GPa	14.5 ksi	ASTM D1621-B
Poissons Ratio	0.32	0.32
Shear Modulus	0.02699 GPa	3.915 ksi	ISO 1922
Shear Strength	1.00 MPa	145 psi	ISO 1922

Electrical Properties	Metric	English	Comments
Dielectric Constant	1.09 @Frequency 8.00e+9 - 1.20e+10 Hz	1.09 @Frequency 8.00e+9 - 1.20e+10 Hz	ASTM D2520
Dissipation Factor	0.0017 @Frequency 8.00e+9 - 1.20e+10 Hz	0.0017 @Frequency 8.00e+9 - 1.20e+10 Hz	ASTM D2520

Thermal Properties	Metric	English	Comments
CTE, linear	35.0 µm/m-°C @Temperature 20.0 °C	19.4 µin/in-°F @Temperature 68.0 °F	ASTM D696
Specific Heat Capacity	1.129 J/g-°C	0.2698 BTU/lb-°F	ASTM E1269
	1.129 J/g-°C	0.2698 BTU/lb-°F
Thermal Conductivity	0.0300 W/m-K @Temperature 10.0 °C	0.208 BTU-in/hr-ft²-°F @Temperature 50.0 °F	ASTM C518
Insulation R Value	2.5	2.5	0.5 inch sample; based on a +10°C K factor.
	5.0	5.0	1.0 inch sample; based on a +10°C K factor.
	10	10	2.0 inch sample; based on a +10°C K factor.
Maximum Service Temperature, Air	90.0 °C	194 °F	Continuous
Minimum Service Temperature, Air	-200 °C	-328 °F	Continuous

Processing Properties	Metric	English	Comments
Processing Temperature	<= 129 °C	<= 264 °F

Descriptive Properties
Water Absorption	0.0123 lb/ft²		ASTM C272

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PDIAB40 / 29824

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