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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	55	ASTM D785
Tensile Strength, Ultimate	27.0 MPa
Tensile Strength, Yield	25.0 MPa
Elongation at Break	65 %
Tensile Modulus	1.793 GPa
Flexural Modulus	1.79 GPa
Izod Impact, Notched	1.71 J/cm	ASTM D256A
Gardner Impact	33.0 J @Thickness 3.17 mm

Electrical Properties	Original Value	Comments
Volume Resistivity	1.21e+13 ohm-cm	ASTM D257
Dielectric Strength	42.91 kV/mm

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	88.0 °C
Vicat Softening Point	106 °C
Flammability, UL94	HB @Thickness 1.50 mm	UL94 and CSA 0.6

Optical Properties	Original Value	Comments
Gloss	65 %	60°

Processing Properties	Original Value	Comments
Melt Temperature	200 - 230 °C	Extrusion
	180 - 280 °C	Molding

**
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PSG002 / 67213

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