SABIC VALOX™ FR DR48 PBT (Asia)

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SABIC VALOX™ FR DR48 PBT (Asia)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX DR48 is a 17% glass filled, flame retardant Polybutyleneterephthalate (PBT) injection moldable grade with excellent chemical resistance. It has a UL94V0@0.90mm and 5VA@3.0mm flame rating. This is a good candidate for a variety of applications in the electrical industry including connectors, bobbins, and switches. Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.53 g/cc	ASTM D792
	1.53 g/cc	ASTM D792
Water Absorption	0.070 %	24 hours; ASTM D570
Linear Mold Shrinkage, Flow	0.0040 - 0.0060 cm/cm @Thickness 1.50 - 3.20 mm	SABIC method
	0.0060 - 0.0090 cm/cm @Thickness 3.20 - 4.60 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.0050 - 0.0080 cm/cm @Thickness 1.50 - 3.20 mm	SABIC method
	0.0080 - 0.011 cm/cm @Thickness 3.20 - 4.60 mm	SABIC method

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	118	ASTM D785
Tensile Strength at Break	93.0 MPa	5 mm/min; ASTM D638
Flexural Strength	140 MPa	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	5200 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	49.0 J/m	ASTM D256
Izod Impact, Unnotched	500 J/m	ASTM D4812

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	ASTM D257
Dielectric Constant	3.4 @Frequency 1e+6 Hz	ASTM D150
	3.6 @Frequency 100 Hz	ASTM D150
Dielectric Strength	18.8 kV/mm @Thickness 3.20 mm	in air; ASTM D149
	25.0 kV/mm @Thickness 1.60 mm	in oil; ASTM D149
Dissipation Factor	0.0020 @Frequency 100 Hz	ASTM D150
	0.016 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	60 - 120 sec	ASTM D495
Comparative Tracking Index	175 - 250 V	UL 746A
Hot Wire Ignition, HWI	15 - 30 sec	UL 746A
High Amp Arc Ignition, HAI	>= 120 arcs	UL 746A
High Voltage Arc-Tracking Rate, HVTR	>= 150 mm/min	UL 746A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	19.8 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	19.8 µm/m-°C @Temperature 60.0 - 138 °C	ASTM E831
Deflection Temperature at 0.46 MPa (66 psi)	210 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	182 °C @Thickness 6.40 mm	unannealed; ASTM D648
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	V-0 @Thickness 0.900 mm	UL 94
	5VA @Thickness 3.00 mm	UL 94
Oxygen Index	29 %	ASTM D2863

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	65.0 - 90.0 °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 - 80 rpm

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PSABI10346 / 243813

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