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Ensinger PEI

Covestro Makrolon® CD 2005 Polycarbonate, Optical/Compact Disc Grade  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade
Material Notes: Injection molding grade with exceptionally good flow, for optical storage media such as CD.

Information provided by Bayer.

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
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
Density 1.20 g/cc0.0434 lb/in³
Moisture Absorption at Equilibrium 0.15 %0.15 %50% RH
Water Absorption at Saturation 0.35 %0.35 %
 0.35 %0.35 %
Melt Flow 60 g/10 min
@Load 1.20 kg,
Temperature 300 °C		60 g/10 min
@Load 2.65 lb,
Temperature 572 °F
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 60.0 MPa8700 psi
Elongation at Break >= 50 %>= 50 %Nominal
Elongation at Yield 6.0 %6.0 %
Tensile Modulus 2.30 GPa334 ksi
Charpy Impact Unnotched NBNB
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+15 ohm-cm>= 1.00e+15 ohm-cm
Surface Resistance 1.00e+15 ohm1.00e+15 ohm
Dielectric Strength 30.0 kV/mm762 kV/in
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 70.0 µm/m-°C
@Temperature 20.0 °C		38.9 µin/in-°F
@Temperature 68.0 °F
CTE, linear, Transverse to Flow 70.0 µm/m-°C
@Temperature 20.0 °C		38.9 µin/in-°F
@Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi) 137 °C279 °F
Deflection Temperature at 1.8 MPa (264 psi) 122 °C252 °F
Vicat Softening Point 143 °C289 °F
Glass Transition Temp, Tg 145 °C293 °F
UL RTI, Electrical 75.0 °C
@Thickness 0.710 mm		167 °F
@Thickness 0.0280 in
UL RTI, Mechanical with Impact 75.0 °C
@Thickness 0.710 mm		167 °F
@Thickness 0.0280 in
UL RTI, Mechanical without Impact 75.0 °C
@Thickness 0.710 mm		167 °F
@Thickness 0.0280 in
Flammability, UL94 V-2
@Thickness 0.710 mm		V-2
@Thickness 0.0280 in
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5831.583DIN 5026-1
Transmission, Visible >= 89 %
@Thickness 1.00 mm		>= 89 %
@Thickness 0.0394 in		ISO 489-A
 
Processing PropertiesMetricEnglishComments
Melt Temperature 305 - 335 °C581 - 635 °F

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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