BASF Ultradur® B 4441 G5 PBT, 25% Glass Fiber Reinforced

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BASF Ultradur® B 4441 G5 PBT, 25% Glass Fiber Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	Ultradur B 4441 G5 is a 25% glass reinforced injection molding PBT optimized for glow wire requirements. For parts requiring enhanced fire resistance. (Halogen and Antimony free) Applications: Typical applications include components for household appliances, connectors, and power switches. Information provided by BASF.
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Physical Properties	Original Value	Comments

Density	1.53 g/cc	ISO 1183
Moisture Absorption	0.200 %	50% RH; ISO 62
Water Absorption at Saturation	0.40 %	ISO 62
Viscosity Test	105 cm³/g	ISO 1628
Linear Mold Shrinkage, Flow	0.0040 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.0124 cm/cm	ISO 294-4
Melt Flow	15 g/10 min @Load 2.16 kg, Temperature 275 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	110 MPa	ISO 527
Elongation at Break	2.3 %	ISO 527
Tensile Modulus	9800 MPa	ISO 527
Flexural Strength	180 MPa	ISO 178
Flexural Modulus	10000 MPa	ISO 178
Charpy Impact Unnotched	45.0 kJ/m² @Temperature 23.0 °C	ISO 179
	47.0 kJ/m² @Temperature -30.0 °C	ISO 179
Charpy Impact, Notched	7.00 kJ/m²	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+16 ohm	IEC 60093
Dielectric Constant	3.6 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.0137 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	525 V	IEC 60112

Thermal Properties	Original Value	Comments
Melting Point	223 °C	ISO 3146
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	210 °C	ISO 75
UL RTI, Electrical	140 °C @Thickness 1.50 mm	UL746B
Flammability, UL94	V-0 @Thickness 0.400 mm
	5VA @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Melt Temperature	250 - 270 °C
Mold Temperature	60.0 - 100 °C
Drying Temperature	100 - 120 °C @Time 14400 sec
Moisture Content	<= 0.040 %
Injection Pressure	500 - 1500 psi

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PBASF8909 / 254867

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