BASF Ultradur® B 4300 G4 20% Glass Filled PBT

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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.
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Physical Properties	Original Value	Comments

Density	1.45 g/cc	ISO 1183
Water Absorption	0.40 %	DIN 53495/1L
Moisture Absorption at Equilibrium	0.20 %	23°C/50% R.H.
Viscosity Number	107 cm³/g	ISO 1628
Linear Mold Shrinkage, Flow	0.0039 cm/cm	Sheet
	0.0043 cm/cm	60x60x2mm; ISO 294
Linear Mold Shrinkage, Transverse	0.0116 cm/cm	60x60x2mm; ISO 294
	0.0128 cm/cm	Sheet
Melt Flow	20.3 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	180 MPa	ISO 2039-1
Tensile Strength at Break	120 MPa	5mm/min; ISO 527-2
Tensile Strength	60.0 MPa @Temperature 100 °C	ISO 527
	83.0 MPa @Temperature 50.0 °C	ISO 527
	110 MPa @Temperature 23.0 °C	ISO 527
	155 MPa @Temperature -20.0 °C	ISO 527
Tensile Stress at Strain	20.0 MPa @Strain 1 %, Temperature 140 °C	ISO 527
	35.0 MPa @Strain 3 %, Temperature 140 °C	ISO 527
	40.0 MPa @Strain 5.0 %, Temperature 140 °C	ISO 527
	55.0 MPa @Strain 1 %, Temperature 40.0 °C	ISO 527
	70.0 MPa @Strain 1 %, Temperature -40.0 °C	ISO 527
	82.0 MPa @Strain 3 %, Temperature 40.0 °C	ISO 527
	85.0 MPa @Strain 4 %, Temperature 40.0 °C	ISO 527
	142 MPa @Strain 2 %, Temperature -40.0 °C	ISO 527
	175 MPa @Strain 3 %, Temperature -40.0 °C	ISO 527
Elongation at Break	3.0 %	5mm/min; ISO 527
Modulus of Elasticity	7.10 GPa	ISO 527-2
Flexural Strength	170 MPa	ISO 178
Charpy Impact Unnotched	5.80 J/cm²	ISO 179/1eU
Charpy Impact, Notched	0.800 J/cm²	ISO 179/1eA
Dart Drop, Total Energy	5.00 J	ISO 6603-1

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	IEC 60093
Dielectric Constant	3.7 @Frequency 100 Hz	IEC 60250
	3.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	100 kV/mm	IEC 112
Dissipation Factor	0.0012 @Frequency 100 Hz	IEC 60250
	0.015 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	150 V	Test Solution B; IEC 112
	300 V	Test solution A; IEC 60112

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.60 J/g-°C	IEC 1006
Thermal Conductivity	0.250 W/m-K	DIN 52612
Melting Point	220 - 250 °C	ISO 11357-3
Maximum Service Temperature, Air	135 °C	at 50% loss of tensile strength after 20000h; IEC 216-1
	150 °C	at 50% loss of tensile strength after 5000h; IEC 216-1
	210 °C
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi)	205 °C	ISO 75-2
Flammability, UL94	HB @Thickness 1.60 mm
	HB @Thickness 0.800 mm
Flame Spread	<= 100 mm/min	DIN 75200
Glow Wire Test	<= 750 °C @Thickness 3.00 mm	IEC 695

Processing Properties	Original Value	Comments
Melt Temperature	260 °C	for shrinkage test
	250 - 275 °C	Injection molding
Mold Temperature	60.0 - 100 °C
	80.0 °C	for shrinkage test

Compliance Properties	Original Value	Comments
NSF	Yes	NSF Std. 61

Descriptive Properties
Color	Natural, Colored, Black and Special Colors
Commercial Status	North America and Europe
Form	Pellets
Impact Modified	No
Primary Processing Technique	Injection Molding
Processing	Injection Molding
Special characteristic	Heat 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 go back to viewing the property data in MatWeb's normal format.

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