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Covestro Makrolon® 8315 Polycarbonate, 10% Glass Filled  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 10% Glass Filled

Material Notes:
  • MVR (300 °C/1.2 kg) 6.0 cm3/10 min
  • high viscosity
  • easy release
  • injection molding
  • available in opaque colors only

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
Density 1.27 g/ccISO 1183
Melt Density 1.08 g/cc
@Temperature 300 °C
Water Absorption 0.26 %Similar to ISO 62
Moisture Absorption at Equilibrium 0.10 %Similar to ISO 62
Linear Mold Shrinkage, Flow 0.0070 cm/cmISO 294-4,2577
Linear Mold Shrinkage, Transverse 0.0050 cm/cmISO 294-4,2577
Melt Flow 6.5 g/10 min
@Load 1.20 kg,
Temperature 300 °C
ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 50.0 MPaISO 527-1/-2
Elongation at Break 8.5 %ISO 527-1/-2
Tensile Modulus 3900 MPaISO 527-1/-2
Impact 3800Puncture - maximum force (N); ISO 6603-2
 3000
@Temperature -30.0 °C
Puncture - maximum force (N); ISO 6603-2
Puncture Energy 25.0 JISO 6603-2
 10.0 J
@Temperature -30.0 °C
ISO 6603-2
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+13 ohm-cmIEC 60093
Surface Resistance >= 1.00e+15 ohmIEC 60093
Dielectric Constant 3.2
@Frequency 100 Hz
IEC 60250
 3.2
@Frequency 1e+6 Hz
IEC 60250
Dielectric Strength 36.0 kV/mmIEC 60243-1
Dissipation Factor 0.0010
@Frequency 100 Hz
IEC 60250
 0.0090
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 175 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 40.0 µm/m-°CISO 11359-1/-2
CTE, linear, Transverse to Flow 65.0 µm/m-°CISO 11359-1/-2
Specific Heat Capacity 1.60 J/g-°CMelt
Thermal Conductivity 0.191 W/m-KMelt
Deflection Temperature at 0.46 MPa (66 psi) 144 °CISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 138 °CISO 75-1/-2
Vicat Softening Point 147 °C50°C/h 50N; ISO 306
Flammability, UL94 HB
@Thickness 1.50 mm
IEC 60695-11-10
 V-2
@Thickness 3.00 mm
IEC 60695-11-10
Oxygen Index 27 %ISO 4589-1/-2
 
Processing PropertiesOriginal ValueComments
Melt Temperature 300 °CInjection Molding; ISO 294
 310 - 330 °C
Mold Temperature 80.0 - 130 °C
 80.0 - 130 °C
 110 °CInjection Molding; ISO 10724
Ejection Temperature 140 °C
Injection Velocity 200 mm/secISO 294
Drying Temperature 120 °C
Dry Time 2.00 - 3.00 hourDry air dryer
 2.00 - 4.00 hourFresh air dryer (high speed dryer)
 4.00 - 12.0 hourCirculating air drying oven (50 % fresh air)
Moisture Content <= 0.020 %
 
Descriptive Properties
AvailabilityNorth America
Eff. thermal diffusivity (m²/s)1.11E-07
FeatureRelease agent
FormPellets
ProcessInjection Molding
 Other Extrusion
UL recognitionUL\l1.5\n
 UL\lh\n

**
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