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Master Bond adhesives

BASF Ultradur® B 4300 G4 20% Glass Filled PBT
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes: Ultradur B4300 G4 is an easy flowing injection molding PBT with 20% glass fiber reinforcement for rigid, tough, and dimensionally stable parts.

Applications: Program switches, thermostat parts, small-motor housings for vehicles, headlamp frames, cams, automotive windscreen wiper arms, PCBs, housings, consoles, contact mounts and covers.
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 1.45 g/cc0.0524 lb/in³ISO 1183
Water Absorption 0.40 %0.40 %DIN 53495/1L
Moisture Absorption at Equilibrium 0.20 %0.20 %23°C/50% R.H.
Viscosity Number 107 cm³/g1.07 dl/gISO 1628
Linear Mold Shrinkage, Flow 0.0039 cm/cm0.0039 in/inSheet
 0.0043 cm/cm0.0043 in/in60x60x2mm; ISO 294
Linear Mold Shrinkage, Transverse 0.0116 cm/cm0.0116 in/in60x60x2mm; ISO 294
 0.0128 cm/cm0.0128 in/inSheet
Melt Flow 20.3 g/10 min
@Load 2.16 kg,
Temperature 250 °C		20.3 g/10 min
@Load 4.76 lb,
Temperature 482 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 180 MPa26100 psiISO 2039-1
Tensile Strength at Break 120 MPa17400 psi5mm/min; ISO 527-2
Tensile Strength  60.0 MPa
@Temperature 100 °C		8700 psi
@Temperature 212 °F		ISO 527
 83.0 MPa
@Temperature 50.0 °C		12000 psi
@Temperature 122 °F		ISO 527
 110 MPa
@Temperature 23.0 °C		16000 psi
@Temperature 73.4 °F		ISO 527
 155 MPa
@Temperature -20.0 °C		22500 psi
@Temperature -4.00 °F		ISO 527
Tensile Stress at Strain  20.0 MPa
@Strain 1 %,
Temperature 140 °C		2900 psi
@Strain 1 %,
Temperature 284 °F		ISO 527
 35.0 MPa
@Strain 3 %,
Temperature 140 °C		5080 psi
@Strain 3 %,
Temperature 284 °F		ISO 527
 40.0 MPa
@Strain 5.0 %,
Temperature 140 °C		5800 psi
@Strain 5.0 %,
Temperature 284 °F		ISO 527
 55.0 MPa
@Strain 1 %,
Temperature 40.0 °C		7980 psi
@Strain 1 %,
Temperature 104 °F		ISO 527
 70.0 MPa
@Strain 1 %,
Temperature -40.0 °C		10200 psi
@Strain 1 %,
Temperature -40.0 °F		ISO 527
 82.0 MPa
@Strain 3 %,
Temperature 40.0 °C		11900 psi
@Strain 3 %,
Temperature 104 °F		ISO 527
 85.0 MPa
@Strain 4 %,
Temperature 40.0 °C		12300 psi
@Strain 4 %,
Temperature 104 °F		ISO 527
 142 MPa
@Strain 2 %,
Temperature -40.0 °C		20600 psi
@Strain 2 %,
Temperature -40.0 °F		ISO 527
 175 MPa
@Strain 3 %,
Temperature -40.0 °C		25400 psi
@Strain 3 %,
Temperature -40.0 °F		ISO 527
Elongation at Break 3.0 %3.0 %5mm/min; ISO 527
Modulus of Elasticity 7.10 GPa1030 ksiISO 527-2
Flexural Strength 170 MPa24700 psiISO 178
Charpy Impact Unnotched 5.80 J/cm²27.6 ft-lb/in²ISO 179/1eU
Charpy Impact, Notched 0.800 J/cm²3.81 ft-lb/in²ISO 179/1eA
Dart Drop, Total Energy 5.00 J3.69 ft-lbISO 6603-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+13 ohm1.00e+13 ohmIEC 60093
Dielectric Constant  3.7
@Frequency 100 Hz		3.7
@Frequency 100 Hz		IEC 60250
 3.7
@Frequency 1e+6 Hz		3.7
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 100 kV/mm2540 kV/inIEC 112
Dissipation Factor  0.0012
@Frequency 100 Hz		0.0012
@Frequency 100 Hz		IEC 60250
 0.015
@Frequency 1e+6 Hz		0.015
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 150 V150 VTest Solution B; IEC 112
 300 V300 VTest solution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 1.60 J/g-°C0.382 BTU/lb-°FIEC 1006
Thermal Conductivity 0.250 W/m-K1.74 BTU-in/hr-ft²-°FDIN 52612
Melting Point 220 - 250 °C428 - 482 °FISO 11357-3
Maximum Service Temperature, Air 135 °C275 °Fat 50% loss of tensile strength after 20000h; IEC 216-1
 150 °C302 °Fat 50% loss of tensile strength after 5000h; IEC 216-1
 210 °C410 °F
Deflection Temperature at 0.46 MPa (66 psi) 220 °C428 °FISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 205 °C401 °FISO 75-2
Flammability, UL94  HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in
 HB
@Thickness 0.800 mm		HB
@Thickness 0.0315 in
Flame Spread <= 100 mm/min<= 3.94 in/minDIN 75200
Glow Wire Test <= 750 °C
@Thickness 3.00 mm		<= 1380 °F
@Thickness 0.118 in		IEC 695
 
Processing PropertiesMetricEnglishComments
Melt Temperature 260 °C500 °Ffor shrinkage test
 250 - 275 °C482 - 527 °FInjection molding
Mold Temperature 60.0 - 100 °C140 - 212 °F
 80.0 °C176 °Ffor shrinkage test
 
Compliance PropertiesMetricEnglishComments
NSF YesYesNSF Std. 61
 
Descriptive Properties
ColorNatural, Colored, Black and Special Colors
Commercial StatusNorth America and Europe
FormPellets
Impact ModifiedNo
Primary Processing TechniqueInjection Molding
ProcessingInjection Molding
Special characteristicHeat stabilized or stable to heat
 Light stabilized or stable to light
 Lubricant
 Release agent
 U.V. stabilized or stable to weather

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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