Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Specific Gravity | 1.70 - 1.90 g/cc | 1.70 - 1.90 g/cc | IEC 1212-2 7.2 | ||
Mechanical Properties | Metric | English | Comments | ||
Flexural Strength | >= 120 MPa @Diameter >=100 mm | >= 17400 psi @Diameter >=3.94 in | At Break, Perpendicular to laminations; IEC 1212-2 4.1 | ||
Compressive Strength | >= 80.0 MPa | >= 11600 psi | Axial; IEC 1212-2 4.2 | ||
Electrical Properties | Metric | English | Comments | ||
Insulation Resistance | >= 100000 ohm @Diameter 8.00 - 10.0 mm | >= 100000 ohm @Diameter 0.315 - 0.394 in | After immersion in water; IEC 1212-2 5.2 | ||
Dielectric Constant | <= 8.0 @Frequency 1.00e+6 Hz | <= 8.0 @Frequency 1.00e+6 Hz | IEC 1212-2 5.3 | ||
Dielectric Breakdown | >= 10000 V @Temperature 90.0 °C, Time 20.0 sec | >= 10000 V @Temperature 194 °F, Time 0.00556 hour | Step-by-step test, In oil, parallel to laminations; IEC 1212-2 5.1 | ||
>= 10000 V @Temperature 90.0 °C, Time 60.0 sec | >= 10000 V @Temperature 194 °F, Time 0.0167 hour | Proof test, In oil, parallel to laminations; IEC 1212-2 5.1 | |||
Dissipation Factor | <= 0.020 @Frequency 1.00e+6 Hz | <= 0.020 @Frequency 1.00e+6 Hz | IEC 1212-2 5.3 | ||
Descriptive Properties | |||||
Cohesion between layers | > 150 MPa | IEC 1212-2 4.3, Internal diameter <100 mm | |||
Thermal Endurance | 130 T.I. | IEC 1212-2 7.1 | |||
Water Absorption | < 5 mg/cm² | IEC 1212-2 7.1 |