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Ensinger PEI

Covestro Bayblend® T88-4N Polycarbonate + ABS, 20% Glass Filled  (discontinued **)
Categories: Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Glass Fiber Filled; Polycarbonate (PC)

Material Notes:
  • Injection molding grade
  • 20 % glass fiber filled
  • tensile modulus = 5900 MPa
  • Vicat/B 120 temperature = 134 °C

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

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Physical PropertiesMetricEnglishComments
Density 1.25 g/cc0.0452 lb/in³ISO 1183
Melt Density 1.07 g/cc
@Temperature 260 °C
0.0387 lb/in³
@Temperature 500 °F
Water Absorption 0.60 %0.60 %Similar to ISO 62
Moisture Absorption at Equilibrium 0.20 %0.20 %Similar to ISO 62
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 77.0 MPa11200 psiISO 527-1/-2
Elongation at Break 2.0 %2.0 %ISO 527-1/-2
Tensile Modulus 5.90 GPa856 ksiISO 527-1/-2
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cmIEC 60093
Surface Resistance >= 1.00e+15 ohm>= 1.00e+15 ohmIEC 60093
Dielectric Constant  3.2
@Frequency 1e+6 Hz
3.2
@Frequency 1e+6 Hz
IEC 60250
 3.3
@Frequency 100 Hz
3.3
@Frequency 100 Hz
IEC 60250
Dielectric Strength 35.0 kV/mm889 kV/inIEC 60243-1
Dissipation Factor  0.0025
@Frequency 100 Hz
0.0025
@Frequency 100 Hz
IEC 60250
 0.0085
@Frequency 1e+6 Hz
0.0085
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 175 V175 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 30.0 µm/m-°C16.7 µin/in-°FISO 11359-1/-2
CTE, linear, Transverse to Flow 80.0 µm/m-°C44.4 µin/in-°FISO 11359-1/-2
Specific Heat Capacity 1.56 J/g-°C0.373 BTU/lb-°FMelt
Thermal Conductivity 0.160 W/m-K1.11 BTU-in/hr-ft²-°FMelt
Deflection Temperature at 0.46 MPa (66 psi) 134 °C273 °FISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 122 °C252 °FISO 75-1/-2
Vicat Softening Point 132 °C270 °F50°C/h 50N; ISO 306
Flammability, UL94 HB
@Thickness 1.10 mm
HB
@Thickness 0.0433 in
IEC 60695-11-10
 
Processing PropertiesMetricEnglishComments
Melt Temperature 240 - 280 °C464 - 536 °F
 260 °C500 °FInjection Molding; ISO 294
Mold Temperature 80.0 °C176 °FInjection Molding; ISO 10724
 70.0 - 100 °C158 - 212 °F
 70.0 - 100 °C158 - 212 °F
Ejection Temperature 130 °C266 °F
Injection Velocity 540 mm/sec21.3 in/secISO 294
Drying Temperature 100 - 110 °C212 - 230 °F
Dry Time 2.00 - 4.00 hour2.00 - 4.00 hourDry air dryer
 2.00 - 4.00 hour2.00 - 4.00 hourFresh air dryer (high speed dryer)
 4.00 - 8.00 hour4.00 - 8.00 hourCirculating air drying oven (50 % fresh air)
Moisture Content 0.010 - 0.050 %0.010 - 0.050 %
 
Descriptive Properties
AvailabilityNorth America
Eff. thermal diffusivity (m²/s)9.63E-08
FeatureHeat stabilized or stable to heat
 Release agent
FormPellets
ProcessInjection Molding
UL recognitionUL\lh\n

**
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