SABIC VALOX™ FR 357 PBT (Americas)

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SABIC VALOX™ FR 357 PBT (Americas)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX 357 is an unreinforced, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.63mm 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	Original Value	Comments

Specific Gravity	1.33 g/cc	ASTM D792
	1.34 g/cc	ASTM D792
Density	1.34 g/cc	ISO 1183
Water Absorption	0.080 %	24 hours; ASTM D570
	0.50 %	23°C/sat; ISO 62
Moisture Absorption	0.0800 %	50% RH, 24 hrs; ASTM D570
	0.150 %	23°C / 50% RH; ISO 62
Linear Mold Shrinkage, Flow	0.0080 - 0.011 cm/cm @Thickness 0.750 - 2.30 mm	SABIC method
	0.010 - 0.014 cm/cm @Thickness 3.20 mm	SABIC method
	0.010 - 0.014 cm/cm @Thickness 2.30 - 4.60 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.0090 - 0.013 cm/cm @Thickness 0.750 - 2.30 mm	SABIC method
	0.012 - 0.016 cm/cm @Thickness 2.30 - 4.60 mm	SABIC method
Melt Flow	8.0 g/10 min @Load 5.00 kg, Temperature 250 °C	cm³/10 min; ISO 1133
	9.6 g/10 min @Load 5.00 kg, Temperature 250 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	117	ASTM D785
Tensile Strength at Break	40.0 MPa	50 mm/min; ISO 527
	45.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	48.0 MPa	50 mm/min; ASTM D638
	50.0 MPa	50 mm/min; ISO 527
Elongation at Break	30 %	50 mm/min; ISO 527
	110 %	50 mm/min; ASTM D638
Elongation at Yield	5.0 %	50 mm/min; ASTM D638
	5.0 %	50 mm/min; ISO 527
Tensile Modulus	2020 MPa	5 mm/min; ASTM D638
	2200 MPa	1mm/min; ISO 527
Flexural Strength	83.0 MPa	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Yield Strength	73.0 MPa	2 mm/min; ISO 178
	83.0 MPa	1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2000 MPa	2 mm/min; ISO 178
	2060 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	534 J/m	ASTM D256
	153 J/m @Temperature -30.0 °C	ASTM D256
Izod Impact, Unnotched	NB	ASTM D4812
Izod Impact, Notched (ISO)	45.0 kJ/m²	80104; ISO 180/1A
	10.0 kJ/m² @Temperature -30.0 °C	80104; ISO 180/1A
Izod Impact, Unnotched (ISO)	NB	80104; ISO 180/1U
	NB @Temperature -30.0 °C	80104; ISO 180/1U
Charpy Impact Unnotched	NB	Edgew 80104 sp=62mm; ISO 179/1eU
Charpy Impact, Notched	45.0 kJ/m²	Edgew 80104 sp=62mm; ISO 179/1eA
Gardner Impact	43.0 J	ASTM D3029
	43.0 J	ASTM D3029
Dart Drop, Total Energy	35.0 J	ASTM D3763

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

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	72.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
	91.8 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	124 µm/m-°C @Temperature 60.0 - 138 °C	ASTM E831
CTE, linear, Transverse to Flow	84.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
	84.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
Hot Ball Pressure Test	125 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	125 °C	Flatw 80104 sp=64mm; ISO 75/Bf
	135 °C @Thickness 3.20 mm	unannealed; ASTM D648
	138 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	84.0 °C	Flatw 80104 sp=64mm; ISO 75/Af
	98.0 °C @Thickness 3.20 mm	unannealed; ASTM D648
	99.0 °C @Thickness 6.40 mm	unannealed; ASTM D648
Vicat Softening Point	134 °C	Rate B/50; ASTM D1525
	145 °C	Rate B/50; ISO 306
	150 °C	Rate B/120; ISO 306
UL RTI, Electrical	120 °C	UL 746B
UL RTI, Mechanical with Impact	120 °C	UL 746B
UL RTI, Mechanical without Impact	140 °C	UL 746B
Flammability, UL94	HB @Thickness 0.460 mm	UL 94
	V-0 @Thickness 0.630 mm	UL 94
	5VA @Thickness 3.00 mm	UL 94
Oxygen Index	30 %	ASTM D2863
Glow Wire Test	725 °C @Thickness 3.00 mm	IEC 60695-2-13
	750 °C @Thickness 2.00 mm	IEC 60695-2-13
	775 °C @Thickness 1.00 mm	IEC 60695-2-13
	960 °C @Thickness 1.00 mm	IEC 60695-2-12

Processing Properties	Original Value	Comments
Nozzle Temperature	245 - 260 °C	Injection Molding
Zone 1	240 - 255 °C
Zone 2	245 - 260 °C
Zone 3	250 - 265 °C
Melt Temperature	250 - 265 °C
Mold Temperature	50.0 - 75.0 °C
Drying Temperature	120 °C	Injection Molding
Dry Time	3.00 - 4.00 hour	Injection Molding
	12.0 hour	Cumulative; Injection Molding
Moisture Content	0.020 %
Back Pressure	0.300 - 0.700 MPa
Shot Size	40 - 80 %
Vent Depth	0.00250 - 0.00380 cm
Screw Speed	50 - 100 rpm

Descriptive Properties
UV-light, water exposure/immersion	F2	UL 746C

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PSABI10314 / 243781

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