SABIC VALOX™ DR51 PBT (Americas)

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SABIC VALOX™ DR51 PBT (Americas)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	15% GR polyester, excellent mechanical, thermal and electrical performance. Non-flame retardant. Spotlights, appliance housings, handles, connectors Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.40 g/cc	ASTM D792
	1.41 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
Elongation at Break	5.0 %	5 mm/min; ASTM D638
Flexural Strength	144 MPa	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	4800 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	53.0 J/m	ASTM D256
Izod Impact, Unnotched	534 J/m	ASTM D4812

Electrical Properties	Original Value	Comments
Volume Resistivity	3.30e+16 ohm-cm	ASTM D257
Dielectric Constant	3.4 @Frequency 1e+6 Hz	ASTM D150
	3.6 @Frequency 100 Hz	ASTM D150
Dielectric Strength	19.6 kV/mm @Thickness 3.20 mm	in air; ASTM D149
	23.2 kV/mm @Thickness 1.60 mm	in oil; ASTM D149
Dissipation Factor	0.0020 @Frequency 100 Hz	ASTM D150
	0.020 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	120 - 180 sec	ASTM D495
Comparative Tracking Index	250 - 400 V	UL 746A
High Voltage Arc-Tracking Rate, HVTR	10.0 - 25.4 mm/min	UL 746A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	21.6 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	21.6 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)	190 °C @Thickness 6.40 mm	unannealed; ASTM D648
UL RTI, Electrical	130 °C	UL 746B
UL RTI, Mechanical with Impact	130 °C	UL 746B
UL RTI, Mechanical without Impact	140 °C	UL 746B
Flammability, UL94	HB @Thickness 0.710 mm	UL 94

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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PSABI10264 / 243731

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