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Glastic GLASTHERM HT250 Insulation Sheet

Category Polymer , Thermoset , Composite SMC , Filled/Reinforced Thermoset , Polyester, TS
Manufacturer Glastic
Trade Name GLASTHERM
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Glastic GLASTHERM HT250 Insulation Sheet.pdf
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Material Notes:
Glastherm Grade HT250 is a high compressive strength, heat-resistant composite material. It is ideal for insulation between the fold and the press or within the mold itself. Grade HT250 is asbestos-free and rugged to withstand rough handling during installation. Grade HT250 is employed to save energy during pressing and is mainly used in hydraulic, wood and tire presses.Information provided by Glastic Corporation
Physical Properties Metric English Comments
Specific Gravity 2.00 g/cc
2.00 g/cc
ASTM D-792
Water Absorption 0.15 %
0.15 %
% by wt.; ASTM D-570
Mechanical Properties Metric English Comments
Flexural Strength 300 MPa
43500 psi
ASTM D-790
Compressive Strength 450 MPa

@Temperature 180 °C
65200 psi

@Temperature 356 °F
ASTM D-695
600 MPa

@Temperature 20.0 °C
87000 psi

@Temperature 68.0 °F
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
116 µm/m-°C

@Temperature 20.0 °C
64.4 µin/in-°F

@Temperature 68.0 °F
Across Thickness; ASTM D-696
Thermal Conductivity 0.230 W/m-K
1.60 BTU-in/hr-ft²-°F
ASTM C-177
Maximum Service Temperature, Air 250 °C
482 °F
400 °C
752 °F
Electrical Properties Metric English Comments
Dielectric Strength 12.0 kV/mm
305 kV/in
Perpendicular S/T in Air; ASTM D-149
Descriptive Properties Value Comments
Standard Color Light Green
Thickness Tolerance in ± 0.0039
5-10mm
± 0.006
11-20mm
Thickness Tolerance, % 1
21-50mm
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