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POM Homopolymer UNITAL® H BK Nytef Plastics, Ltd.
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Plastic Datasheets

Impact resistanceTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
Impact strength of cantilever beam gapASTM D25664 J/m
hardnessTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
Rockwell hardnessM级ASTM D78594
Electrical performanceTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
Dissipation Factor60HzASTM D1505E-03
dielectric constant60HzASTM D1503.70
Volume resistivityASTM D2571E+15 ohms·cm
dielectric strengthASTM D14920 kV/mm
dielectric constant1MHzASTM D1503.70
Mechanical propertiesTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
elongation断裂ASTM D63830to50 %
tensile strength ASTM D63866.2to75.8 MPa
compressive strengthASTM D695110 MPa
Tensile modulusASTM D6383100 MPa
Flexural modulusASTM D7903240 MPa
coefficient of friction0.20
bending strengthASTM D79098.6 MPa
flammabilityTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
UL flame retardant ratingUL 94HB
physical property Test ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
Water absorption rate饱和ASTM D5700.90 %
24hrASTM D5700.25 %
densityASTM D7921.42 g/cm³
Thermal performanceTest ConditionTest MethodNytef Plastics, Ltd./UNITAL® H BK
Heat distortion temperature1.8MPa,未退火，HDTASTM D648125 °C
Continuous use temperature内部方法85.0 °C
Linear coefficient of thermal expansionMDASTM D6961.2E-04 cm/cm/°C
melting temperatureASTM D3418175 °C

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