PEI UNITEM® PEI

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Technical Data Sheet

physical property Test ConditionTest MethodTest Result
densityASTMD7921.27 g/cm³
Water absorption rateASTMD5700.25 %
Water absorption rateSaturationASTMD5701.3 %
hardnessTest ConditionTest MethodTest Result
Rockwell hardnessM-ScaleASTMD785109
Rockwell hardnessR-ScaleASTMD785123
flammabilityTest ConditionTest MethodTest Result
UL flame retardant ratingUL94V-0
Impact resistanceTest ConditionTest MethodTest Result
Impact strength of cantilever beam gapASTMD25653 J/m
Mechanical propertiesTest ConditionTest MethodTest Result
Tensile modulusASTMD6383450 MPa
tensile strengthYieldASTMD638105 MPa
elongationBreakASTMD63860到80 %
Flexural modulusASTMD7903310 MPa
bending strengthASTMD790152 MPa
compressive strengthASTMD695152 MPa
Electrical performanceTest ConditionTest MethodTest Result
Volume resistivityASTMD257>1.0E+17 ohms·cm
dielectric strengthASTMD14933 kV/mm
dielectric constantASTMD1503.20
dielectric constantASTMD1503.15
Dissipation FactorASTMD1501E-03
Thermal performanceTest ConditionTest MethodTest Result
ASTMD648200 °C
Continuous use temperatureUL746171 °C
vicatASTMD3418219 °C
ASTMD6965.6E-05 cm/cm/°C
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

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