SABIC VALOX™ 735 PBT (Asia)

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SABIC VALOX™ 735 PBT (Asia)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	40% glass/mineral, excellent thermal performance/low shrink. Motorized heating appliances, adaptor rings, oven grills, etc. Black/natural only. Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.61 g/cc	ASTM D792
	1.62 g/cc	ASTM D792
Water Absorption	0.070 %	24 hours; ASTM D570
Linear Mold Shrinkage, Flow	0.0030 - 0.0040 cm/cm @Thickness 1.50 - 3.20 mm	SABIC method
	0.0040 - 0.0060 cm/cm @Thickness 3.20 - 4.60 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.0040 - 0.0060 cm/cm @Thickness 1.50 - 3.20 mm	SABIC method
	0.0060 - 0.0080 cm/cm @Thickness 3.20 mm	SABIC method

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	109	ASTM D785
Tensile Strength at Break	75.0 MPa	5 mm/min; ASTM D638
Flexural Strength	124 MPa	brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	8300 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	74.0 J/m	ASTM D256
Izod Impact, Unnotched	427 J/m	ASTM D4812

Electrical Properties	Original Value	Comments
Volume Resistivity	1.30e+15 ohm-cm	ASTM D257
Dielectric Constant	4.0 @Frequency 1e+6 Hz	ASTM D150
	4.3 @Frequency 100 Hz	ASTM D150
Dielectric Strength	23.6 kV/mm @Thickness 3.20 mm	in air; ASTM D149
	29.5 kV/mm @Thickness 1.60 mm	in oil; ASTM D149
Dissipation Factor	0.0010 @Frequency 100 Hz	ASTM D150
	0.020 @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	>= 120 sec	UL 746A
High Amp Arc Ignition, HAI	15 - 30 arcs	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	25.2 µm/m-°C @Temperature 60.0 - 138 °C	ASTM E831
	25.2 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
Deflection Temperature at 0.46 MPa (66 psi)	215 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	198 °C @Thickness 6.40 mm	unannealed; ASTM D648
UL RTI, Electrical	140 °C	UL 746B
UL RTI, Mechanical with Impact	140 °C	UL 746B
UL RTI, Mechanical without Impact	140 °C	UL 746B
Flammability, UL94	HB @Thickness 0.810 mm	UL 94

Processing Properties	Original Value	Comments
Nozzle Temperature	255 - 270 °C	Injection Molding
Zone 1	245 - 255 °C
Zone 2	250 - 260 °C
Zone 3	255 - 265 °C
Melt Temperature	255 - 275 °C
Mold Temperature	65.0 - 95.0 °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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PSABI10236 / 243703

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