Total PSI 2451 High Heat Resistance Impact Polystyrene

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Total PSI 2451 High Heat Resistance Impact Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Heat Resistant Grade
Material Notes:	Total Petrochemicals Polystyrene 2451 is a high heat resistance, impact polystyrene for injection blow molding, thermoforming. It is recommended for the manufacturing of articles which require good dimensional stability. Suitable applications for Total Petrochemicals Polystyrene 2451 include Cultured milk packaging and egg tray. 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	5.0 g/10 min @Load 5.00 kg, Temperature 200 °C	5.0 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238
Spiral Flow	43.0 cm @Temperature 220 °C	16.9 in @Temperature 428 °F	ASTM D3123

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	99	99	ASTM D785
Tensile Strength at Break	30.0 MPa	4350 psi	ASTM D638
Tensile Strength, Yield	34.0 MPa	4930 psi	ASTM D638
Elongation at Break	45 %	45 %	ASTM D638
Tensile Modulus	2.20 GPa	319 ksi	ASTM D638
Flexural Modulus	2.45 GPa	355 ksi	ASTM D790
Izod Impact, Notched (ISO)	6.50 kJ/m²	3.09 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
Hot Ball Pressure Test	90.0 °C	194 °F	JET, 2.0 mm
Vicat Softening Point	102 °C @Load 1.02 kg	216 °F @Load 2.25 lb	50°C per hour; ASTM D1525
Heat Distortion Temperature	82.2 °C	180 °F	ASTM D648

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PTOTAL887 / 130612

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