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Ensinger PEI

Covestro Makrolon® DP1-1243 Polycarbonate, Extrusion  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Extruded

Material Notes: Information provided by Bayer Corporation, Plastics Division

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.

Key Words: PC
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Physical PropertiesMetricEnglishComments
Density 1.20 g/cc0.0434 lb/in³ASTM D792
Water Absorption 0.15 %0.15 %24 hr immersion; ASTM D570
Water Absorption at Saturation 0.35 %0.35 %Equilibrium Immersion; ASTM D570
Linear Mold Shrinkage 0.0060 - 0.0080 cm/cm0.0060 - 0.0080 in/inASTM D955
Melt Flow 6.5 g/10 min
@Load 1.20 kg,
Temperature 300 °C
6.5 g/10 min
@Load 2.65 lb,
Temperature 572 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 69.0 MPa10000 psiASTM D638
Tensile Strength, Yield 63.0 MPa9140 psiASTM D638
Elongation at Break >= 50 %>= 50 %ASTM D638
Elongation at Yield 6.0 %6.0 %ASTM D638
Tensile Modulus 2.40 GPa348 ksiASTM D638
Flexural Yield Strength 85.0 MPa12300 psiat 5% strain; ASTM D790
Flexural Modulus 2.34 GPa339 ksiASTM D790
Izod Impact, Notched 8.00 J/cm
@Thickness 3.17 mm
15.0 ft-lb/in
@Thickness 0.125 in
ASTM D256
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Surface Resistance 1.00e+15 ohm1.00e+15 ohmASTM D257
Dielectric Constant  2.9
@Frequency 1e+6 Hz
2.9
@Frequency 1e+6 Hz
ASTM D150
 3.0
@Frequency 60 Hz
3.0
@Frequency 60 Hz
ASTM D150
Dielectric Strength 30.0 kV/mm
@Thickness 1.60 mm
762 kV/in
@Thickness 0.0630 in
ASTM D149
Dissipation Factor  0.00090
@Frequency 60 Hz
0.00090
@Frequency 60 Hz
ASTM D150
 0.010
@Frequency 1e+6 Hz
0.010
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 120 sec120 secTungsten Electrodes; ASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 70.0 µm/m-°C
@Temperature 20.0 °C
38.9 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Specific Heat Capacity 1.20 J/g-°C0.287 BTU/lb-°FASTM D2766
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°FASTM C177
Deflection Temperature at 0.46 MPa (66 psi) 138 °C280 °FUnannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 130 °C266 °FUnannealed; ASTM D648
Vicat Softening Point 152 °C306 °FRate A; ASTM D1525
UL RTI, Electrical 80.0 °C
@Thickness 1.50 mm
176 °F
@Thickness 0.0591 in
UL RTI, Mechanical with Impact 80.0 °C
@Thickness 1.50 mm
176 °F
@Thickness 0.0591 in
UL RTI, Mechanical without Impact 80.0 °C
@Thickness 1.50 mm
176 °F
@Thickness 0.0591 in
Flammability, UL94  HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
 HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
Oxygen Index 26 %26 %ASTM D2863
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5861.586ASTM D542
Haze 1.0 %
@Thickness 3.17 mm
1.0 %
@Thickness 0.125 in
ASTM D1003
Transmission, Visible 88 %
@Thickness 3.20 mm
88 %
@Thickness 0.126 in
ASTM D1003

**
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