SABIC VALOX™ FR 771 PBT (Americas)

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SABIC VALOX™ FR 771 PBT (Americas)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX 771 is a 35% mineral/glass filled, flame retardant Polybutylene Terephthalate (PBT) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.75 flame rating and 5VA@2.0mm. This grade also has a CTI of 0 and is a good candidate for applications that may see electrical arcing. Information provided by SABIC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.70 g/cc	1.70 g/cc	ASTM D792
Linear Mold Shrinkage, Flow	0.0065 - 0.0085 cm/cm	0.0065 - 0.0085 in/in	SABIC method
Linear Mold Shrinkage, Transverse	0.010 - 0.012 cm/cm	0.010 - 0.012 in/in	SABIC method

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	72.0 MPa	10400 psi	5 mm/min; ASTM D638
Elongation at Break	2.3 %	2.3 %	5 mm/min; ASTM D638
Flexural Strength	110 MPa	16000 psi	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	5.86 GPa	850 ksi	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	0.420 J/cm	0.787 ft-lb/in	ASTM D256
Izod Impact, Unnotched	3.90 J/cm	7.31 ft-lb/in	ASTM D4812

Electrical Properties	Metric	English	Comments
Arc Resistance	180 - 240 sec	180 - 240 sec	ASTM D495
Comparative Tracking Index	>= 600 V	>= 600 V	UL 746A
Hot Wire Ignition, HWI	>= 120 sec	>= 120 sec	UL 746A
High Amp Arc Ignition, HAI	>= 120 arcs	>= 120 arcs	UL 746A
High Voltage Arc-Tracking Rate, HVTR	0.000 - 10.0 mm/min	0.000 - 0.394 in/min	UL 746A

Thermal Properties	Metric	English	Comments
Hot Ball Pressure Test	125 °C	257 °F	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	217 °C @Thickness 6.40 mm	423 °F @Thickness 0.252 in	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	196 °C @Thickness 6.40 mm	385 °F @Thickness 0.252 in	unannealed; ASTM D648
UL RTI, Electrical	140 °C	284 °F	UL 746B
UL RTI, Mechanical with Impact	125 °C	257 °F	UL 746B
UL RTI, Mechanical without Impact	140 °C	284 °F	UL 746B
Flammability, UL94	V-2 @Thickness 0.610 mm	V-2 @Thickness 0.0240 in	UL 94
	V-0 @Thickness 0.760 mm	V-0 @Thickness 0.0299 in	UL 94
	5VA @Thickness 2.01 mm	5VA @Thickness 0.0791 in	UL 94
Glow Wire Test	750 °C @Thickness 1.00 mm	1380 °F @Thickness 0.0394 in	IEC 60695-2-13
	800 °C @Thickness 3.00 mm	1470 °F @Thickness 0.118 in	IEC 60695-2-13
	960 °C @Thickness 3.00 mm	1760 °F @Thickness 0.118 in	IEC 60695-2-12
	960 °C @Thickness 1.00 mm	1760 °F @Thickness 0.0394 in	IEC 60695-2-12

Processing Properties	Metric	English	Comments
Nozzle Temperature	255 - 270 °C	491 - 518 °F	Injection Molding
Zone 1	245 - 255 °C	473 - 491 °F
Zone 2	250 - 260 °C	482 - 500 °F
Zone 3	255 - 265 °C	491 - 509 °F
Melt Temperature	255 - 275 °C	491 - 527 °F
Mold Temperature	65.0 - 95.0 °C	149 - 203 °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 - 80 rpm	50 - 80 rpm

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PSABI10321 / 243788

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