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Ensinger PEI

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Covestro Makrolon® DP1-1265 Polycarbonate  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade

Material Notes: Key Features:
  • Release agent
  • Unfilled

Suitable processing methods:

  • Injection molding

Information provided by Bayer Polymers.

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
Density 1.20 g/cc
Melt Density 1.02 g/cc
@Temperature 280 °C
Water Absorption 0.30 %
Moisture Absorption at Equilibrium 0.12 %23°C/50% R.H.
Viscosity Number 39 cm³/g
Melt Flow 70 g/10 min
@Load 1.20 kg,
Temperature 300 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 65.0 MPa
Elongation at Break >= 50 %Nominal
Elongation at Yield 6.0 %
Tensile Modulus 2.40 GPa
Charpy Impact Unnotched NB
 NB
@Temperature -30.0 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 60.0 µm/m-°C
@Temperature 20.0 °C
CTE, linear, Transverse to Flow 60.0 µm/m-°C
@Temperature 20.0 °C
Specific Heat Capacity 1.70 J/g-°CMelt
Thermal Conductivity 0.173 W/m-KMelt
Deflection Temperature at 0.46 MPa (66 psi) 136 °C
Deflection Temperature at 1.8 MPa (264 psi) 122 °C
Vicat Softening Point 143 °C50°C/h 50N
Glass Transition Temp, Tg 145 °C10°C/min
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 90 %Manufacturer states transparent but does not quantify
 
Processing PropertiesOriginal ValueComments
Melt Temperature 280 °CInjection Molding
Mold Temperature 80.0 °CInjection Molding
Ejection Temperature 130 °C
Injection Velocity 200 mm/sec
 
Descriptive Properties
Effective thermal diffusivity0.1E-6 m²/sMelt

**
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