SABIC VALOX™ FR 357U PBT (Asia)

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SABIC VALOX™ FR 357U PBT (Asia)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX 357U is an unreinforced, UV stabilized, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.64mm and 5VA@3.0mm flame rating. This is a good candidate for applications in the electrical industry including bobbins, switches, and enclosures. Information provided by SABIC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.33 g/cc	1.33 g/cc	ASTM D792
	1.34 g/cc	1.34 g/cc	ASTM D792
Water Absorption	0.080 %	0.080 %	24 hours; ASTM D570
Linear Mold Shrinkage, Flow	0.0080 - 0.011 cm/cm @Thickness 0.750 - 2.30 mm	0.0080 - 0.011 in/in @Thickness 0.0295 - 0.0906 in	SABIC method
	0.010 - 0.014 cm/cm @Thickness 2.30 - 4.60 mm	0.010 - 0.014 in/in @Thickness 0.0906 - 0.181 in	SABIC method
Linear Mold Shrinkage, Transverse	0.0090 - 0.013 cm/cm @Thickness 0.750 - 2.30 mm	0.0090 - 0.013 in/in @Thickness 0.0295 - 0.0906 in	SABIC method
	0.012 - 0.016 cm/cm @Thickness 2.30 - 4.60 mm	0.012 - 0.016 in/in @Thickness 0.0906 - 0.181 in	SABIC method

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	117	117	ASTM D785
Tensile Strength at Break	48.0 MPa	6960 psi	50 mm/min; ASTM D638
Tensile Strength, Yield	48.0 MPa	6960 psi	50 mm/min; ASTM D638
Elongation at Break	110 %	110 %	50 mm/min; ASTM D638
Elongation at Yield	5.28 %	5.28 %	50 mm/min; ASTM D638
Tensile Modulus	2.05 GPa	297 ksi	50 mm/min; ASTM D638
Flexural Strength	82.0 MPa	11900 psi	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Yield Strength	82.0 MPa	11900 psi	1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2.06 GPa	299 ksi	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	5.34 J/cm	10.0 ft-lb/in	ASTM D256
Izod Impact, Unnotched	32.04 J/cm	60.02 ft-lb/in	ASTM D4812
Gardner Impact	43.0 J	31.7 ft-lb	ASTM D3029
	43.0 J	31.7 ft-lb	ASTM D3029

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.20e+16 ohm-cm	>= 1.20e+16 ohm-cm	ASTM D257
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz	ASTM D150
	3.2 @Frequency 100 Hz	3.2 @Frequency 100 Hz	ASTM D150
Dielectric Strength	18.5 kV/mm @Thickness 3.20 mm	470 kV/in @Thickness 0.126 in	in oil; ASTM D149
	18.5 kV/mm @Thickness 3.20 mm	470 kV/in @Thickness 0.126 in	in air; ASTM D149
	25.2 kV/mm @Thickness 1.60 mm	640 kV/in @Thickness 0.0630 in	in oil; ASTM D149
Dissipation Factor	0.0030 @Frequency 100 Hz	0.0030 @Frequency 100 Hz	ASTM D150
	0.030 @Frequency 1e+6 Hz	0.030 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	60 - 120 sec	60 - 120 sec	ASTM D495
Comparative Tracking Index	250 - 400 V	250 - 400 V	UL 746A
Hot Wire Ignition, HWI	30 - 60 sec	30 - 60 sec	UL 746A
High Amp Arc Ignition, HAI	15 - 30 arcs	15 - 30 arcs	UL 746A
High Voltage Arc-Tracking Rate, HVTR	80.0 - 150 mm/min	3.15 - 5.91 in/min	UL 746A

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	91.8 µm/m-°C @Temperature -40.0 - 40.0 °C	51.0 µin/in-°F @Temperature -40.0 - 104 °F	ASTM E831
	124 µm/m-°C @Temperature 60.0 - 138 °C	68.9 µin/in-°F @Temperature 140 - 280 °F	ASTM E831
Deflection Temperature at 0.46 MPa (66 psi)	137 °C @Thickness 6.40 mm	279 °F @Thickness 0.252 in	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	98.0 °C @Thickness 6.40 mm	208 °F @Thickness 0.252 in	unannealed; ASTM D648
UL RTI, Electrical	120 °C	248 °F	UL 746B
UL RTI, Mechanical with Impact	120 °C	248 °F	UL 746B
UL RTI, Mechanical without Impact	140 °C	284 °F	UL 746B
Flammability, UL94	HB @Thickness 0.460 mm	HB @Thickness 0.0181 in	UL 94
	V-0 @Thickness 0.640 mm	V-0 @Thickness 0.0252 in	UL 94
	5VA @Thickness 3.00 mm	5VA @Thickness 0.118 in	UL 94
Oxygen Index	30 %	30 %	ASTM D2863

Processing Properties	Metric	English	Comments
Nozzle Temperature	245 - 260 °C	473 - 500 °F	Injection Molding
Zone 1	240 - 255 °C	464 - 491 °F
Zone 2	245 - 260 °C	473 - 500 °F
Zone 3	250 - 265 °C	482 - 509 °F
Melt Temperature	250 - 265 °C	482 - 509 °F
Mold Temperature	50.0 - 75.0 °C	122 - 167 °F
Drying Temperature	120 °C	248 °F	Injection Molding
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour	Injection Molding
	12.0 hour	12.0 hour	Cumulative; Injection Molding
Moisture Content	0.020 %	0.020 %
Back Pressure	0.300 - 0.700 MPa	43.5 - 102 psi
Shot Size	40 - 80 %	40 - 80 %
Vent Depth	0.00250 - 0.00380 cm	0.000984 - 0.00150 in
Screw Speed	50 - 100 rpm	50 - 100 rpm

Descriptive Properties
UV-light, water exposure/immersion	F1		UL 746C

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.

PSABI10338 / 243805

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