Total PSC 1050 High Heat Resistance, High Molecular Weight Crystal Polystyrene

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Total PSC 1050 High Heat Resistance, High Molecular Weight Crystal Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Heat Resistant Grade
Material Notes:	Total Petrochemicals Polystyrene 1050 is a high heat resistance, high molecular weight crystal polystyrene mainly for the extrusion industry. It is particularly useful in the production of thick sheet by direct gassing, where it yields expanded sheets with high mechanical properties. Polystyrene Crystal 1050 can be used in dilution with HIPS for the extrusion of sheet for hot-fill thermoforming applications. Polystyrene Crystal 1050 does contain external lubrication. Suitable applications for Total Petrochemicals Polystyrene 1050 include foamed trays, shower screens and high heat thermoformed products. Information provided by Total Petrochemicals.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.04 g/cc	1.04 g/cc	ASTM D792
Water Absorption	0.040 %	0.040 %	ASTM D570
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in	ASTM D955
Melt Flow	2.0 g/10 min @Load 5.00 kg, Temperature 200 °C	2.0 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell L	70	70	ASTM D785
Tensile Strength at Break	53.0 MPa	7690 psi	ASTM D638
Tensile Strength, Yield	53.0 MPa	7690 psi	ASTM D638
Elongation at Yield	3.0 %	3.0 %	ASTM D638
Flexural Modulus	3.20 GPa	464 ksi	ASTM D790
Izod Impact, Notched (ISO)	2.00 kJ/m²	0.952 ft-lb/in²	ASTM D256

Electrical Properties	Metric	English	Comments
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm	ISO IEC 93
Dielectric Strength	152 kV/mm	3860 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
CTE, linear	89.0 µm/m-°C	49.4 µin/in-°F	ASTM D696
Vicat Softening Point	108 °C @Load 1.02 kg	226 °F @Load 2.25 lb	50°C per hour; ASTM D1525
Heat Distortion Temperature	92.2 °C	198 °F	ASTM D648

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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PTOTAL880 / 130605

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