SABIC VALOX™ FR 4521 PBT (Asia)

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SABIC VALOX™ FR 4521 PBT (Asia)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX 4521 is a 20% glass filled, high flow, flame retardant Polybutylene Terephthalate (PBT) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.75 flame rating and 5VA@2.0mm. Information provided by SABIC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.53 g/cc	1.53 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	91.0 MPa	13200 psi	5 mm/min; ASTM D638
Tensile Strength, Yield	89.0 MPa	12900 psi	5 mm/min; ASTM D638
Elongation at Break	2.5 %	2.5 %	5 mm/min; ASTM D638
Elongation at Yield	2.4 %	2.4 %	5 mm/min; ASTM D638
Tensile Modulus	3.51 GPa	509 ksi	5 mm/min; ASTM D638
Flexural Strength	137 MPa	19900 psi	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	4.96 GPa	719 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	4.80 J/cm	8.99 ft-lb/in	ASTM D4812

Electrical Properties	Metric	English	Comments
Arc Resistance	120 - 180 sec	120 - 180 sec	ASTM D495
Comparative Tracking Index	250 - 400 V	250 - 400 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	>= 150 mm/min	>= 5.91 in/min	UL 746A

Thermal Properties	Metric	English	Comments
Hot Ball Pressure Test	200 °C	392 °F	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	218 °C @Thickness 3.20 mm	424 °F @Thickness 0.126 in	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	205 °C @Thickness 3.20 mm	401 °F @Thickness 0.126 in	unannealed; ASTM D648
UL RTI, Electrical	130 °C	266 °F	UL 746B
UL RTI, Mechanical with Impact	130 °C	266 °F	UL 746B
UL RTI, Mechanical without Impact	130 °C	266 °F	UL 746B
Flammability, UL94	V-0 @Thickness 0.760 mm	V-0 @Thickness 0.0299 in	UL 94

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	65.0 - 90.0 °C	149 - 194 °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

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.

PSABI10331 / 243798

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