SABIC VALOX™ 312 PBT (Americas)

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SABIC VALOX™ 312 PBT (Americas)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Unreinforced, For compounding only (not for injection molding), Medium viscosity. Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.31 g/cc	ASTM D792
	1.31 g/cc	ASTM D792
Water Absorption	0.080 %	24 hours; ASTM D570
Linear Mold Shrinkage, Flow	0.0090 - 0.016 cm/cm @Thickness 0.750 - 2.30 mm	SABIC method
	0.015 - 0.023 cm/cm @Thickness 2.30 - 4.60 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.010 - 0.017 cm/cm @Thickness 0.750 - 2.30 mm	SABIC method
	0.016 - 0.024 cm/cm @Thickness 2.30 - 4.60 mm	SABIC method

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	117	ASTM D785
Tensile Strength, Yield	51.0 MPa	50 mm/min; ASTM D638
Elongation at Break	300 %	50 mm/min; ASTM D638
Flexural Yield Strength	82.0 MPa	1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2340 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	53.0 J/m	ASTM D256
Izod Impact, Unnotched	1602 J/m	ASTM D4812
Gardner Impact	40.0 J	ASTM D3029

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 4.00e+16 ohm-cm	ASTM D257
Dielectric Constant	3.1 @Frequency 1e+6 Hz	ASTM D150
	3.3 @Frequency 100 Hz	ASTM D150
Dielectric Strength	15.7 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
	0.4193 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	81.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	139 µm/m-°C @Temperature 60.0 - 138 °C	ASTM E831
Deflection Temperature at 0.46 MPa (66 psi)	154 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	54.0 °C @Thickness 6.40 mm	unannealed; ASTM D648

Processing Properties	Original Value	Comments
Processing Temperature	25.0 - 35.0 °C	Water Bath Temperature
Zone 1	200 - 230 °C	Compounding Extrusion
Zone 2	240 - 255 °C	Compounding Extrusion
Zone 3	240 - 275 °C	Compounding Extrusion
Zone 4	240 - 275 °C	Compounding Extrusion
Adapter Temperature	240 - 275 °C	Compounding Extrusion
Die Temperature	240 - 275 °C	Compounding Extrusion
Melt Temperature	245 - 260 °C
Drying Temperature	110 - 120 °C	Compounding Extrusion
Dry Time	4.00 - 6.00 hour	Compounding Extrusion
	8.00 hour	Cumulative; Compounding Extrusion

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PSABI10216 / 243683

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