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Rulon Bearings

BASF Ultradur® B 4300 M5 25% Mineral Filled PBT
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Mineral Filled
Material Notes: Description: Is a PBT-HI, injection-molding grade reinforced with 25% of minerals, for the production of parts with good surface quality and low warpage, e.g. housings and visible parts of domestic appliances.

Information provided by BASF
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Physical PropertiesMetricEnglishComments
Bulk Density 0.600 - 0.900 g/cc0.0217 - 0.0325 lb/in³
Density 1.51 g/cc0.0546 lb/in³ISO 1183
Moisture Absorption at Equilibrium 0.20 %0.20 %23°C; 50% RH
Water Absorption at Saturation 0.40 %0.40 %DIN 53495/1L
Viscosity Test 117 cm³/g1.17 dl/gViscosity number; ISO 1628
Linear Mold Shrinkage, Flow 0.0174 cm/cm0.0174 in/inSheet
 0.018 cm/cm0.018 in/in60x60x2 mm; ISO 294
Linear Mold Shrinkage, Transverse 0.0168 cm/cm0.0168 in/in60x60x2 mm; ISO 294
 0.0178 cm/cm0.0178 in/inSheet
Melt Flow 18.12 g/10 min
@Load 2.16 kg,
Temperature 250 °C		18.12 g/10 min
@Load 4.76 lb,
Temperature 482 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 170 MPa24700 psiISO 2039-1
Tensile Strength, Yield 60.0 MPa8700 psi50 mm/min; ISO 527-2
Elongation at Break 4.5 %4.5 %50mm/min; ISO 527-2
Elongation at Yield 3.0 %3.0 %50 mm/min; ISO 527-2
Modulus of Elasticity 4.00 GPa580 ksiISO 527-2
Charpy Impact Unnotched 7.00 J/cm²33.3 ft-lb/in²ISO 179/1eU
Charpy Impact, Notched 0.400 J/cm²1.90 ft-lb/in²ISO 179/1eA
Dart Drop, Total Energy 20.0 J14.8 ft-lbW501 housing; ISO 6603-1
Tensile Creep Modulus, 1000 hours 2000 MPa
@Strain <=0.5 %		290000 psi
@Strain <=0.5 %		ISO 899-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+16 ohm-cm>= 1.00e+16 ohm-cm
Surface Resistance 1.00e+13 ohm1.00e+13 ohmIEC 93
Dielectric Constant  3.6
@Frequency 1e+6 Hz		3.6
@Frequency 1e+6 Hz		IEC 250
 3.6
@Frequency 100 Hz		3.6
@Frequency 100 Hz		IEC 250
Dielectric Strength 100 kV/mm2540 kV/inIEC 243/1
Dissipation Factor  0.0012
@Frequency 100 Hz		0.0012
@Frequency 100 Hz		IEC 250
 0.015
@Frequency 1e+6 Hz		0.015
@Frequency 1e+6 Hz		IEC 250
Comparative Tracking Index 150 V150 VTest solution B; IEC 112
 225 V225 VTest solution A; IEC 112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 7.00 - 11.0 µm/m-°C
@Temperature 23.0 - 80.0 °C		3.89 - 6.11 µin/in-°F
@Temperature 73.4 - 176 °F		DIN 53752
Specific Heat Capacity 1.50 J/g-°C0.359 BTU/lb-°FIEC 1006
Melting Point 220 - 225 °C428 - 437 °FDSC; ISO 11357-3
Maximum Service Temperature, Air 120 °C248 °Fat 50% loss of tensile strength after 20000h; IEC 216-1
 130 °C266 °Fat 50% loss of tensile strength after 5000h; IEC 216-1
 200 °C392 °F
Deflection Temperature at 0.46 MPa (66 psi) 195 °C383 °FISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 90.0 °C194 °FISO 75-2
Decomposition Temperature >= 290 °C>= 554 °F
Flammability, UL94 HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in
 HB
@Diameter 0.800 mm		HB
@Diameter 0.0315 in
Ignition Temperature 350 °C662 °FASTM D1929
 
Processing PropertiesMetricEnglishComments
Melt Temperature 250 °C482 °Ffor shrinkage test, Optimal
 250 - 275 °C482 - 527 °FInjection-molding
Mold Temperature 40.0 - 80.0 °C104 - 176 °FInjection molding
 60.0 °C140 °Ffor shrinkage test, Optimal
 
Descriptive Properties
ColorNatural, Colored, Black and Special Colors
Commercial StatusEurope
Primary Processing TechniqueInjection 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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