Iran Petrochemical (PCC) HIPS 8350 High Impact Polystyrene

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Iran Petrochemical (PCC) HIPS 8350 High Impact Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	HIPS 8350 is a very high impact polystyrene used in the extrusion industry. This grade has an improved environmental stress crack resistance (ESCR) in comparison with standard high impact polystyrene grades. It is recommended for the production of packaging intended for products likely to cause stress cracking. HIPS8350 retains good mechanical properties at low temperatures making this grade suitable for frozen food packaging and for the production of fridge liners in contact with HCFC expanded foam insulation. Applications: extrusion sheet for thermoforming, fridge doors and cabinet liners Information provided by Iran Petrochemical Commercial Co.
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Physical Properties	Metric	English	Comments

Density	1.04 g/cc	0.0376 lb/in³
Moisture Absorption	<= 0.100 %	<= 0.100 %	ASTM D570
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in	ASTM D570
Melt Flow	4.5 g/10 min @Load 5.00 kg, Temperature 200 °C	4.5 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	20.0 MPa	2900 psi	ASTM D638
Tensile Strength, Yield	18.0 MPa	2610 psi	ASTM D638
Elongation at Break	60 %	60 %	ASTM D638
Tensile Modulus	1.60 GPa	232 ksi	ASTM D638
Flexural Modulus	1.60 GPa	232 ksi	ASTM D790
Izod Impact, Notched (ISO)	9.00 kJ/m²	4.28 ft-lb/in²	ISO 180/1A

Thermal Properties	Metric	English	Comments
Vicat Softening Point	>= 92.0 °C	>= 198 °F	ASTM D1525

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PIPC342 / 149776

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