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Rulon Bearings

BASF Ultradur® B 6550 LN PBT
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes: Description: High-viscosity grades for the extrusion of loose buffer tubes for optical fibers, semi-finished products for machining, profiles and pipes.

Information provided by BASF
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Physical PropertiesMetricEnglishComments
Density 1.30 g/cc0.0470 lb/in³ISO 1183
Moisture Absorption at Equilibrium 0.25 %0.25 %23°C; 50% RH
Water Absorption at Saturation 0.40 %0.40 %DIN 53495/1L
Viscosity Test 160 cm³/g1.60 dl/gViscosity number; ISO 1628
Linear Mold Shrinkage, Flow 0.019 cm/cm0.019 in/inSheet; ISO 294
Linear Mold Shrinkage, Transverse 0.022 cm/cm0.022 in/inSheet; ISO 294
Melt Flow 11.7 g/10 min
@Load 2.16 kg,
Temperature 250 °C		11.7 g/10 min
@Load 4.76 lb,
Temperature 482 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 56.0 MPa8120 psi5 mm/min; ISO 527-2
Tensile Strength, Yield 56.0 MPa8120 psi50 mm/min; ISO 527-2
Elongation at Break >= 3.5 %>= 3.5 %50mm/min; ISO 527-2
Elongation at Yield 3.5 %3.5 %50 mm/min; ISO 527-2
 >= 50 %>= 50 %50 mm/min; ISO 527-2
Modulus of Elasticity 2.60 GPa377 ksiISO 527-2
Flexural Strength 76.0 MPa11000 psiISO 178
Charpy Impact Unnotched  22.0 J/cm²
@Temperature -30.0 °C		105 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eU
 NB
@Temperature 23.0 °C		NB
@Temperature 73.4 °F		ISO 179/1eU
Charpy Impact, Notched 0.600 J/cm²
@Temperature 23.0 °C		2.86 ft-lb/in²
@Temperature 73.4 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 5.00e+15 ohm-cm5.00e+15 ohm-cmIEC 93
Surface Resistance >= 1.00e+15 ohm>= 1.00e+15 ohmIEC 93
Dielectric Constant  3.2
@Frequency 1e+6 Hz		3.2
@Frequency 1e+6 Hz		IEC 250
 3.4
@Frequency 100 Hz		3.4
@Frequency 100 Hz		IEC 250
Dielectric Strength 39.0 kV/mm991 kV/inIEC 243/1
Dissipation Factor  0.0019
@Frequency 100 Hz		0.0019
@Frequency 100 Hz		IEC 250
 0.0219
@Frequency 1e+6 Hz		0.0219
@Frequency 1e+6 Hz		IEC 250
Comparative Tracking Index 475 V475 VTest solution A; IEC 112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 9.00 - 15.0 µm/m-°C
@Temperature 23.0 - 80.0 °C		5.00 - 8.33 µin/in-°F
@Temperature 73.4 - 176 °F		DIN 53752
Melting Point 220 - 225 °C428 - 437 °FDSC; ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi) 135 °C275 °FISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 55.0 °C131 °FISO 75-2
Decomposition Temperature >= 290 °C>= 554 °F
Flammability, UL94 HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in
 HB
@Diameter 0.400 mm		HB
@Diameter 0.0157 in
Ignition Temperature 350 °C662 °FASTM D1929
 
Processing PropertiesMetricEnglishComments
Melt Temperature 250 - 270 °C482 - 518 °FPipe extrusion
 250 - 270 °C482 - 518 °FSemi-finished extrusion
 260 °C500 °Ffor shrinkage test
 260 - 270 °C500 - 518 °FInjection-molding
Mold Temperature 40.0 - 80.0 °C104 - 176 °FInjection molding
 60.0 °C140 °Ffor shrinkage test
 
Descriptive Properties
ColorNatural
Commercial StatusEurope
Primary Processing TechniqueCoating and Injection Molding

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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