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Elmet Technologies

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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 PropertiesOriginal ValueComments
Bulk Density 0.700 g/ccISO 60
Density 1.20 g/ccISO 1183
Moisture Absorption at Equilibrium 0.15 %50% rh; ISO 62
Water Absorption at Saturation 0.30 %ISO 62
Viscosity 600 cP
@Frequency 165 Hz,
Temperature 260 °C		Bayer
Linear Mold Shrinkage, Flow 0.0010 - 0.0020 cm/cmPost; b.o. ISO 2577
 0.0060 - 0.0080 cm/cmb.o. ISO 2577
Melt Flow 12 g/10 min
@Load 5.00 kg,
Temperature 260 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Ball Indentation Hardness 100 MPaISO 2039-1
Tensile Strength at Break 40.0 MPa50 mm/min; ISO 527-1/-2
Tensile Strength, Yield 50.0 MPa50 mm/min; ISO 527-1/-2
Elongation at Break >= 50 %Nominal; ISO 527-1/-2
Elongation at Yield 4.5 %50 mm/min; ISO 527-1/-2
Tensile Modulus 2100 MPa1 mm/min; ISO 527-1/-2
Flexural Strength 75.0 MPa2 mm/min; ISO 178
Flexural Yield Strength 65.0 MPa
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 2.10 GPa2 mm/min; ISO 178
Flexural Strain at Break 5.7 %2 mm/min; ISO 178
Izod Impact, Notched (ISO) 23.0 kJ/m²
@Temperature -20.0 °C		ISO 180-A
 45.0 kJ/m²
@Temperature -10.0 °C		ISO 180-A
 50.0 kJ/m²
@Temperature 23.0 °C		ISO 180-A
Izod Impact, Unnotched (ISO) NB
@Temperature 23.0 °C		ISO 180-U
 NB
@Temperature -30.0 °C		ISO 180-U
Charpy Impact Unnotched NBISO 179/1eU
 NB
@Temperature -30.0 °C		ISO 179/1eU
Charpy Impact, Notched 5.50 J/cm²ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmIEC 60093
Surface Resistance >= 1.00e+17 ohmIEC 60093
Dielectric Constant 3.2
@Frequency 100 Hz		IEC 60250
 3.3
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 33.0 kV/mm
@Thickness 1.00 mm		IEC 60243-1
Dissipation Factor 0.013
@Frequency 100 Hz		IEC 60250
 0.144
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 175 VSolution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 70.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		ISO 11359-1/-2
CTE, linear, Transverse to Flow 70.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		ISO 11359-1/-2
Thermal Conductivity 0.200 W/m-Kcross-flow
Deflection Temperature at 1.8 MPa (264 psi) 94.0 °CISO 75-1,-2
Vicat Softening Point 133 °C
@Load 5.10 kg		120°C/h; ISO 306
Flammability, UL94 HB
@Thickness 1.60 mm		IEC 60695-11-10
 HB
@Thickness 0.800 mm		IEC 60695-11-10
Oxygen Index 20 %ISO 4589-1/-2
 
Processing PropertiesOriginal ValueComments
Melt Temperature 270 °CInjection Molding; ISO 294
Mold Temperature 70.0 °CInjection Molding; ISO 10724
Injection Velocity 200 mm/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 go back to viewing the property data in MatWeb's normal format.

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PB09835 / 92675




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