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Rulon Bearings

Covestro Makroblend® UT-408 Polycarbonate + Polyester Blend
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polyester, TP
Material Notes: (PC+PET) blend, unreinforced; UV-stabilized; impact modified; high flow; injection molding grade; good impact strength; dimensional stability and chemical resistance. Suitable for some food contact applications (contact Covestro for more information).

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.
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 1.22 g/cc0.0441 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.20 %0.20 %23°C/50% R.H.; ISO 62
Water Absorption at Saturation 0.50 %0.50 %ISO 62
Linear Mold Shrinkage, Flow 0.0060 - 0.0080 cm/cm0.0060 - 0.0080 in/inb.o. ISO 2577
Melt Flow 24 g/10 min
@Load 5.00 kg,
Temperature 270 °C		24 g/10 min
@Load 11.0 lb,
Temperature 518 °F		cm³/10 min.; ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 64.0 MPa9280 psi50 mm/min; ISO 527-1/2
Tensile Strength, Yield 59.0 MPa8560 psi50 mm/min; ISO 527-1/2
Elongation at Break 100 %100 %Nominal, 50 mm/min; ISO 527-1/2
Elongation at Yield 5.5 %5.5 %50 mm/min; ISO 527-1/2
Tensile Modulus 2.40 GPa348 ksi1 mm/min; ISO 527-1/2
Flexural Strength 88.0 MPa12800 psi2 mm/min; ISO 178
Flexural Yield Strength 71.0 MPa
@Strain 3.5 %		10300 psi
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 2.35 GPa341 ksi2 mm/min; ISO 178
Izod Impact, Unnotched (ISO)  10.0 kJ/m²
@Temperature -30.0 °C		4.76 ft-lb/in²
@Temperature -22.0 °F		ISO 180-A
 60.0 kJ/m²
@Temperature 23.0 °C		28.6 ft-lb/in²
@Temperature 73.4 °F		ISO 180-A
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 60093
Dielectric Constant  3.1
@Frequency 1e+6 Hz		3.1
@Frequency 1e+6 Hz		IEC 60250
 3.2
@Frequency 100 Hz		3.2
@Frequency 100 Hz		IEC 60250
Dielectric Strength 34.0 kV/mm
@Thickness 1.00 mm		864 kV/in
@Thickness 0.0394 in		IEC 60243-1
Dissipation Factor  0.0013
@Frequency 100 Hz		0.0013
@Frequency 100 Hz		IEC 60250
 0.014
@Frequency 1e+6 Hz		0.014
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 375 V375 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 70.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		38.9 µin/in-°F
@Temperature 73.4 - 131 °F		ISO 11359-1,-2
CTE, linear, Transverse to Flow 80.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		44.4 µin/in-°F
@Temperature 73.4 - 131 °F		ISO 11359-1,-2
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°FISO 8302
Deflection Temperature at 0.46 MPa (66 psi) 131 °C268 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 109 °C228 °FISO 75-1,-2
Vicat Softening Point 142 °C
@Load 5.10 kg		288 °F
@Load 11.2 lb		120°C/hr; ISO 306
Flammability, UL94 HB
@Thickness 1.50 mm		HB
@Thickness 0.0591 in		UL Recognized
 
Processing PropertiesMetricEnglishComments
Melt Temperature 270 °C518 °FInjection Molding; ISO 294
Mold Temperature 70.0 °C158 °FInjection Molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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