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Total PSI 740 Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer Total Atofina
Trade Name PSI
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Total PSI 740 Polystyrene.pdf
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Material Notes:
Polystyrene 740 is an impact polystyrene designed for extrusion and injection molding. It is especially suitable for extrusion thermoforming applications requiring high glass and high stiffness, such as food service disposable. A unique combination of thermal characteristics favors 740 for fast injection cycles in high gloss small appliance and electronics application.Information provided by Total Petrochemicals, Inc.
Physical Properties Metric English Comments
Melt Flow 4.0 g/10 min

@Load 5.00 kg,
Temperature 200 °C
4.0 g/10 min

@Load 11.0 lb,
Temperature 392 °F
ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Yield 29.6 MPa
4300 psi
ASTM D638
Elongation at Yield 45 %
45 %
ASTM D638
Tensile Modulus 2.34 GPa
340 ksi
ASTM D638
Flexural Strength 57.2 MPa
8300 psi
ASTM D790
Flexural Modulus 2.55 GPa
370 ksi
ASTM D790
Izod Impact, Notched 1.01 J/cm
1.90 ft-lb/in
ASTM D256
Falling Dart Impact 14.13 J
10.42 ft-lb
ASTM D3029
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 95.0 °C
203 °F
Heat Distortion, Annealed; ASTM D648
Vicat Softening Point 98.9 °C
210 °F
ASTM D1525
Optical Properties Metric English Comments
Gloss 90 %
90 %
60°; ASTM D523
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