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Rulon Bearings

Covestro Bayblend® T85 Polycarbonate + ABS  (discontinued **)
Categories: Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)

Material Notes:
  • General purpose injection molding grade
  • Vicat/B 120 temperature = 131°C
  • high impact and notched impact strength

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 PropertiesMetricEnglishComments
Density 1.15 g/cc0.0415 lb/in³ISO 1183
Melt Density 0.980 g/cc
@Temperature 260 °C
0.0354 lb/in³
@Temperature 500 °F
Water Absorption 0.70 %0.70 %Similar to ISO 62
Moisture Absorption at Equilibrium 0.20 %0.20 %Similar to ISO 62
Melt Flow 12 g/10 min
@Load 5.00 kg,
Temperature 260 °C
12 g/10 min
@Load 11.0 lb,
Temperature 500 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 55.0 MPa7980 psiISO 527-1/-2
Elongation at Yield 4.7 %4.7 %ISO 527-1/-2
Tensile Modulus 2.30 GPa334 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  3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
IEC 60250
 3.1
@Frequency 100 Hz
3.1
@Frequency 100 Hz
IEC 60250
Dielectric Strength 35.0 kV/mm889 kV/inIEC 60243-1
Dissipation Factor  0.0020
@Frequency 100 Hz
0.0020
@Frequency 100 Hz
IEC 60250
 0.0085
@Frequency 1e+6 Hz
0.0085
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 225 V225 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 75.0 µm/m-°C41.7 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 1.73 J/g-°C0.413 BTU/lb-°FMelt
Thermal Conductivity 0.154 W/m-K1.07 BTU-in/hr-ft²-°FMelt
Deflection Temperature at 0.46 MPa (66 psi) 127 °C261 °FISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 109 °C228 °FISO 75-1/-2
Vicat Softening Point 129 °C264 °F50°C/h 50N; ISO 306
Flammability, UL94 HB
@Thickness 0.900 mm
HB
@Thickness 0.0354 in
IEC 60695-11-10
 
Processing PropertiesMetricEnglishComments
Melt Temperature 240 - 280 °C464 - 536 °F
 260 °C500 °FInjection Molding; ISO 294
Mold Temperature 60.0 - 80.0 °C140 - 176 °F
 60.0 - 80.0 °C140 - 176 °F
 80.0 °C176 °FInjection Molding; ISO 10724
Ejection Temperature 130 °C266 °F
Injection Velocity 240 mm/sec9.45 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
AvailabilityAsia Pacific
 Europe
 India
 Near East/Africa
 North America
 South and Central America
Eff. thermal diffusivity (m²/s)9.08E-08
FeatureHeat stabilized or stable to heat
 Release agent
FormPellets
ProcessInjection Molding
UL recognitionUL\lh\n

**
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