Celazole Technical Data
Physical Properties Metric English Comments
Density 1.3 g/cc 0.047 lb/in³  ISO 1183
Water Absorption 0.5 % 0.5 %  24 hour immersion; ISO 62
Water Absorption 1.06 % 1.06 %  96 hour immersion; ISO 62

Mechanical Properties
Tensile Strength, Ultimate 160 MPa 23200 psi  ISO 527
Elongation at Break 3 % 3 %  ISO 527
Tensile Modulus 5.8 GPa 841 ksi  ISO 527
Compressive Yield Strength 42 MPa 6090 psi  at 1% nominal strain; ISO 604
Compressive Yield Strength 82 MPa 11900 psi  at 2% nominal strain; ISO 604
Charpy Impact, Notched 0.35 J/cm² 1.67 ft-lb/in²  ISO 179/1eA

Electrical Properties
Electrical Resistivity 1e+014 ohm-cm 1e+014 ohm-cm  IEC 93
Surface Resistance Min 1e+012 ohm Min 1e+012 ohm  IEC 93
Dielectric Constant 3.3 3.3  1 MHz; IEC 250
Dielectric Constant, Low Frequency 3.3 3.3  100 Hz; IEC 250
Dielectric Strength 22 kV/mm 559 kV/in  IEC 243
Dissipation Factor, Low Frequency 0.001 0.001  100 Hz; IEC 250

Thermal Properties
CTE, linear 20°C 25 µm/m-°C 13.9 µin/in-°F  average value between 23 and 100°C
CTE, linear 100°C 25 µm/m-°C 13.9 µin/in-°F  average value between 23 and 150°C
Thermal Conductivity 0.4 W/m-K 2.78 BTU-in/hr-ft²-°F  
Maximum Service Temperature, Air 310 °C 590 °F  20,000 hours continuous
Maximum Service Temperature, Air 500 °C 932 °F  for short periods
Deflection Temperature at 1.8 MPa (264 psi) 425 °C 797 °F  ISO 75 method A
Flammability, UL94 V-0 V-0  1.5 mm thickness
Flammability, UL94 V-0 V-0  3 mm thickness
Oxygen Index 58 % 58 %  ISO 4589