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Zircar Refractory Composites ZIRCAL-95 Refractory Board

Category Ceramic
Manufacturer Zircar Refractory Composites, Inc.
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Type ZIRCAL-95 Refractory Board is produced from a combination of natural organic fibers and inert reinforcing fillers in a high density calcium silicate hydrate matrix. Designed as a substitute for asbestos cement boards, ZIRCAL-95 is useful as structural and electrical insulation in applications with temperatures to 1100°C(2000°F). ZIRCAL-95`s surface is sanded smooth. It has a uniform consistency making it a useful source for custom machined insulating parts.Information provided by ZIRCAR Refractory Composites, Inc. (ZRCI)
Physical Properties Metric English Comments
Density 1.40 g/cc
0.0506 lb/in³
Mechanical Properties Metric English Comments
Modulus of Rupture 0.0180 GPa
2.61 ksi
parallel to thickness
Compressive Yield Strength 450 MPa
65300 psi
at 5% deformation, parallel to thickness
Thermal Properties Metric English Comments
CTE, linear 3.10 µm/m-°C

@Temperature 20.0 - 700 °C
1.72 µin/in-°F

@Temperature 68.0 - 1290 °F
5.50 µm/m-°C

@Temperature 20.0 °C
3.06 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 0.270 W/m-K

@Temperature 400 °C
1.87 BTU-in/hr-ft²-°F

@Temperature 752 °F
parallel to thickness
0.290 W/m-K

@Temperature 600 °C
2.01 BTU-in/hr-ft²-°F

@Temperature 1110 °F
parallel to thickness
0.310 W/m-K

@Temperature 200 °C
2.15 BTU-in/hr-ft²-°F

@Temperature 392 °F
parallel to thickness
Maximum Service Temperature, Air 1000 °C
1830 °F
Shrinkage 0.130 %

@Temperature 650 °C,
Time 43200 sec
0.130 %

@Temperature 1200 °F,
Time 12.0 hour
Linear reheat (perpendicular to thickness)
0.500 %

@Temperature 1050 °C,
Time 43200 sec
0.500 %

@Temperature 1920 °F,
Time 12.0 hour
Linear reheat (perpendicular to thickness)
Component Elements Properties Metric English Comments
Other <= 4.0 %
<= 4.0 %
Electrical Properties Metric English Comments
Volume Resistivity 4.52e+12 ohm-cm
4.52e+12 ohm-cm
ASTM D257
Dielectric Strength 2.40 kV/mm
61.0 kV/in
ASTM D495
Arc Resistance 314 sec
314 sec
ASTM D495
Processing Properties Metric English Comments
Moisture Content 1.0 %
1.0 %
Descriptive Properties Value Comments
CaSiO3, % 96
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