Röchling GLASTHERM HT220 Insulation Sheet

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Röchling GLASTHERM HT220 Insulation Sheet
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Polyester, TS
Material Notes:	Glastherm Grade HT220 is a thermal insulation sheet that is a highly heat-resistant material that combines low thermal conductivity with very high compressive strength at molding temperature. It is ideal for many of the more difficult molding applications. Information provided by Glastic Corporation
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Physical Properties	Metric	English	Comments

Specific Gravity	1.85 g/cc	1.85 g/cc	ASTM D-792
Water Absorption	0.20 %	0.20 %	% by wt.; ASTM D-570

Mechanical Properties	Metric	English	Comments
Flexural Strength	360 MPa	52200 psi	ASTM D-790
Compressive Strength	241 MPa @Temperature 288 °C	35000 psi @Temperature 550 °F	ASTM D-695
	280 MPa @Temperature 200 °C	40600 psi @Temperature 392 °F	ASTM D-695
	380 MPa @Temperature 150 °C	55100 psi @Temperature 302 °F	ASTM D-695
	500 MPa @Temperature 20.0 °C	72500 psi @Temperature 68.0 °F	ASTM D-695
Compressive Modulus	18.0 GPa	2610 ksi	ASTM D-695

Thermal Properties	Metric	English	Comments
CTE, linear	13.0 µm/m-°C @Temperature 20.0 °C	7.22 µin/in-°F @Temperature 68.0 °F	Across Surface; ASTM D-696
	57.0 µm/m-°C @Temperature 20.0 °C	31.7 µin/in-°F @Temperature 68.0 °F	Across Thickness; ASTM D-696
Thermal Conductivity	0.250 W/m-K	1.74 BTU-in/hr-ft²-°F	ASTM C-177
Maximum Service Temperature, Air	232 °C	450 °F
	320 °C	608 °F

Descriptive Properties
Standard Color	Light Beige
Thickness Tolerance in	± 0.004

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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PGLASW7 / 41941

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