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Phenolic MELOPAS® MP 181 RASCHIG GmbH
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Plastic Datasheets

Supplementary InformationTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Compression molding pressure>20.0 MPa
Compression molding temperature160to180 °C
thermal performanceTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Hot deformation temperature8.0MPa,UnannealedISO 75-2/C110to130 °C
1.8MPa,UnannealedISO 75-2/A155to180 °C
Linear coefficient of thermal expansionMD：50to100°CISO 11359-21.5E-5到3.5E-5 cm/cm/°C
Maximum operating temperature20,000hIEC 60216135 °C
<50hIEC 60216160 °C
thermal conductivityASTME14610.50to0.60 W/m/K
mechanical propertiesTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Bending modulusInjectionISO 1787000to9000 MPa
Compression MoldedISO 1787000to9000 MPa
bending strengthInjectionISO 178100to130 MPa
Compression MoldedISO 17880.0to110 MPa
Compressive stressISO 604200to250 MPa
Tensile modulusCompression MoldedISO 527-25000to8000 MPa
InjectionISO 527-25000to8000 MPa
tensile strengthCompressionMoldedISO 527-245.0to65.0 MPa
InjectionISO 527-260.0to85.0 MPa
Electrical performanceTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Arc resistanceASTM D495PLC 5
Compared to the anti leakage trace indexIEC 60112PLC 2
Dielectric strengthIEC 60243-115to20 kV/mm
Dissipation factor1MHzIEC 602500.030to0.050
100HzIEC 602500.30to0.50
Relative permittivity100HzIEC 6025011.016.0
1MHzIEC 602507.009.00
Surface resistivityIEC 600931.0E+10到1.0E+11 ohms
Volume resistivityIEC 600931.0E+11到1.0E+12 ohms·cm
Physical propertiesTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Apparent densityISO 600.55to0.75 g/cm³
densityISO 11831.50to1.70 g/cm³
Shrinkage rateISO 25771.0to1.5 %
MD：--2ISO 25770.90to1.3 %
MD：--3ISO 25770.60to1.0 %
Water absorption rate23°C,24hrISO 62<2.0 %
impact performanceTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Charpy Notched Impact StrengthInjectionISO 179/1eA1.4to2.0 kJ/m²
Compression MoldedISO 179/1eA1.2to1.8 kJ/m²
Impact strength of simply supported beam without notchInjectionISO 179/1eU7.0to11 kJ/m²
Compression MoldedISO 179/1eU5.0to9.0 kJ/m²
flammabilityTest ConditionTest MethodRASCHIG GmbH/MELOPAS® MP 181
Burning wire flammability indexIEC 60695-2-12960 °C
Hot filament ignition temperatureIEC 60695-2-13900 °C
UL flame retardant rating1.5mmUL 94V-0

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