Röchling GLASTHERM S Insulation Sheet

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Röchling GLASTHERM S Insulation Sheet
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Polyester, TS
Material Notes:	Glastherm Grade S is a general purpose insulation sheet with an economical combination of thermal and physical properties. Not recommended for processes where the continuous operating temperature exceeds 425°F. Grade S is asbestos-free and rugged to withstand rough handling during installation. Suited to rubber molding industry. Information provided by Glastic Corporation
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Physical Properties	Metric	English	Comments

Density	1.84 g/cc	0.0665 lb/in³	ASTM D-792
Water Absorption	0.40 %	0.40 %	% by wt.; ASTM D-570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	94	94	ASTM D-785
Flexural Strength	124 MPa	18000 psi	ASTM D-790
Compressive Strength	68.9 MPa @Temperature 288 °C	10000 psi @Temperature 550 °F	ASTM D-695
	79.3 MPa @Temperature 200 °C	11500 psi @Temperature 392 °F	ASTM D-695
	110 MPa @Temperature 150 °C	16000 psi @Temperature 302 °F	ASTM D-695
	310 MPa @Temperature 23.9 °C	45000 psi @Temperature 75.0 °F	ASTM D-695
Compressive Modulus	12.4 GPa	1800 ksi	ASTM D-695
Izod Impact, Notched	4.27 J/cm	8.00 ft-lb/in	ASTM D-256

Electrical Properties	Metric	English	Comments
Dielectric Strength	2.00 kV/mm	50.8 kV/in	Perpendicular S/T in Air; ASTM D-149

Thermal Properties	Metric	English	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 °C	6.11 µin/in-°F @Temperature 68.0 °F	Across Surface; ASTM D-696
	70.2 µm/m-°C @Temperature 20.0 °C	39.0 µin/in-°F @Temperature 68.0 °F	Across Thickness; ASTM D-696
Thermal Conductivity	0.260 W/m-K	1.80 BTU-in/hr-ft²-°F	ASTM C-177
Maximum Service Temperature, Air	218 °C	425 °F
Flammability, UL94	HB @Thickness 23.9 mm	HB @Thickness 0.940 in

Descriptive Properties
Standard Color	Tan
Thickness Tolerance in	± 0.002

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