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Elmet Technologies

Covestro Makroblend® DP 7645 Polycarbonate + PET, Impact Grade
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/PET Polyester Blend; Polyester, TP; Polyethylene Terephthalate (PET)
Material Notes: (PC+PET) blend, impact modified, Injection molding grade, unreinforced

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 0.700 g/cc0.0253 lb/in³ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183
Moisture Absorption at Equilibrium 0.15 %0.15 %50% rh; ISO 62
Water Absorption at Saturation 0.30 %0.30 %ISO 62
Viscosity 600 cP
@Frequency 165 Hz,
Temperature 260 °C		600 cP
@Frequency 165 Hz,
Temperature 500 °F		Bayer
Linear Mold Shrinkage, Flow 0.0010 - 0.0020 cm/cm0.0010 - 0.0020 in/inPost; b.o. ISO 2577
 0.0060 - 0.0080 cm/cm0.0060 - 0.0080 in/inb.o. ISO 2577
Melt Flow 12 g/10 min
@Load 5.00 kg,
Temperature 260 °C		12 g/10 min
@Load 11.0 lb,
Temperature 500 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 100 MPa14500 psiISO 2039-1
Tensile Strength at Break 40.0 MPa5800 psi50 mm/min; ISO 527-1/-2
Tensile Strength, Yield 50.0 MPa7250 psi50 mm/min; ISO 527-1/-2
Elongation at Break >= 50 %>= 50 %Nominal; ISO 527-1/-2
Elongation at Yield 4.5 %4.5 %50 mm/min; ISO 527-1/-2
Tensile Modulus 2.10 GPa305 ksi1 mm/min; ISO 527-1/-2
Flexural Strength 75.0 MPa10900 psi2 mm/min; ISO 178
Flexural Yield Strength 65.0 MPa
@Strain 3.5 %		9430 psi
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 2.10 GPa305 ksi2 mm/min; ISO 178
Flexural Strain at Break 5.7 %5.7 %2 mm/min; ISO 178
Izod Impact, Notched (ISO)  23.0 kJ/m²
@Temperature -20.0 °C		10.9 ft-lb/in²
@Temperature -4.00 °F		ISO 180-A
 45.0 kJ/m²
@Temperature -10.0 °C		21.4 ft-lb/in²
@Temperature 14.0 °F		ISO 180-A
 50.0 kJ/m²
@Temperature 23.0 °C		23.8 ft-lb/in²
@Temperature 73.4 °F		ISO 180-A
Izod Impact, Unnotched (ISO)  NB
@Temperature 23.0 °C		NB
@Temperature 73.4 °F		ISO 180-U
 NB
@Temperature -30.0 °C		NB
@Temperature -22.0 °F		ISO 180-U
Charpy Impact Unnotched NBNBISO 179/1eU
 NB
@Temperature -30.0 °C		NB
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched 5.50 J/cm²26.2 ft-lb/in²ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+15 ohm-cm>= 1.00e+15 ohm-cmIEC 60093
Surface Resistance >= 1.00e+17 ohm>= 1.00e+17 ohmIEC 60093
Dielectric Constant  3.2
@Frequency 100 Hz		3.2
@Frequency 100 Hz		IEC 60250
 3.3
@Frequency 1e+6 Hz		3.3
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 33.0 kV/mm
@Thickness 1.00 mm		838 kV/in
@Thickness 0.0394 in		IEC 60243-1
Dissipation Factor  0.013
@Frequency 100 Hz		0.013
@Frequency 100 Hz		IEC 60250
 0.144
@Frequency 1e+6 Hz		0.144
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 175 V175 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 70.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		38.9 µin/in-°F
@Temperature 73.4 - 131 °F		ISO 11359-1/-2
CTE, linear, Transverse to Flow 70.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		38.9 µin/in-°F
@Temperature 73.4 - 131 °F		ISO 11359-1/-2
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°Fcross-flow
Deflection Temperature at 1.8 MPa (264 psi) 94.0 °C201 °FISO 75-1,-2
Vicat Softening Point 133 °C
@Load 5.10 kg		271 °F
@Load 11.2 lb		120°C/h; ISO 306
Flammability, UL94  HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in		IEC 60695-11-10
 HB
@Thickness 0.800 mm		HB
@Thickness 0.0315 in		IEC 60695-11-10
Oxygen Index 20 %20 %ISO 4589-1/-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 270 °C518 °FInjection Molding; ISO 294
Mold Temperature 70.0 °C158 °FInjection Molding; ISO 10724
Injection Velocity 200 mm/sec7.87 in/secISO 294

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PB09835 / 92675




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