Ineos Styrenics Avantra® 597N Polystyrene (NAFTA)

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Ineos Styrenics Avantra® 597N Polystyrene (NAFTA) (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	High-impact grade of polystyrene with improved impact strength and heat resistance, developed for injection molding and extrusion/thermoforming applications. Information provided by BASF. Ineos Styrenics purchased this product line from BASF in 2005.
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Physical Properties	Metric	English	Comments

Density	1.04 g/cc	0.0376 lb/in³
Moisture Absorption at Equilibrium	<= 0.10 %	<= 0.10 %
Water Absorption at Saturation	<= 0.10 %	<= 0.10 %
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in	ASTM D955
Melt Flow	2.5 g/10 min @Load 5.00 kg, Temperature 200 °C	2.5 g/10 min @Load 11.0 lb, Temperature 392 °F

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell L	55	55	ASTM D785
Tensile Strength, Ultimate	27.0 MPa	3920 psi
Tensile Strength, Yield	25.0 MPa	3630 psi
Elongation at Break	65 %	65 %
Tensile Modulus	1.793 GPa	260.1 ksi
Flexural Modulus	1.79 GPa	260 ksi
Izod Impact, Notched	1.71 J/cm	3.20 ft-lb/in	ASTM D256A
Gardner Impact	33.0 J @Thickness 3.17 mm	24.3 ft-lb @Thickness 0.125 in

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.21e+13 ohm-cm	1.21e+13 ohm-cm	ASTM D257
Dielectric Strength	42.91 kV/mm	1090 kV/in

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	88.0 °C	190 °F
Vicat Softening Point	106 °C	223 °F
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	UL94 and CSA 0.6

Optical Properties	Metric	English	Comments
Gloss	65 %	65 %	60°

Processing Properties	Metric	English	Comments
Melt Temperature	200 - 230 °C	392 - 446 °F	Extrusion
	180 - 280 °C	356 - 536 °F	Molding

**
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PSG002 / 67213

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