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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	70	ASTM D785
Tensile Strength at Break	53.0 MPa	ASTM D638
Tensile Strength, Yield	53.0 MPa	ASTM D638
Elongation at Yield	3.0 %	ASTM D638
Flexural Modulus	3200 MPa	ASTM D790
Izod Impact, Notched (ISO)	2.00 kJ/m²	ASTM D256

Electrical Properties	Original Value	Comments
Surface Resistance	>= 1.00e+13 ohm	ISO IEC 93
Dielectric Strength	152 kV/mm	ASTM D149

Thermal Properties	Original Value	Comments
CTE, linear	89.0 µm/m-°C	ASTM D696
Vicat Softening Point	108 °C @Load 1.02 kg	50°C per hour; ASTM D1525
Heat Distortion Temperature	198 °F	ASTM D648

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