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Total 680 Polystyrene  (discontinued **)

Category Polymer , Thermoplastic , Polystyrene (PS)
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Polystyrene 680 is a medium impact polystyrene developed for the foam extrusion and laminate markets. This polymers impact qualities in conjunction with its high flexural strength allow 680 to be extruded for foam laminates and film. Applications using crystal polystyrene that require some impact without extreme clarity, such as window envelope film, should consider 680. 680 also excels as an OPS modifierInformation provided by Total Petrochemicals, Inc.
Physical Properties Metric English Comments
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
Tensile Strength, Yield 49.0 MPa
7100 psi
ASTM D638
Elongation at Yield 5.0 %
5.0 %
ASTM D638
Tensile Modulus 2.76 GPa
400 ksi
ASTM D638
Flexural Strength 89.6 MPa
13000 psi
ASTM D790
Flexural Modulus 2.96 GPa
430 ksi
ASTM D790
Izod Impact, Notched 0.481 J/cm
0.900 ft-lb/in
ASTM D256
Falling Dart Impact 0.678 J
0.500 ft-lb
ASTM D3029
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 97.2 °C
207 °F
Heat Distortion, Annealed; ASTM D648
Vicat Softening Point 104 °C
220 °F
ASTM D1525
Optical Properties Metric English Comments
Gloss 95 %
95 %
60°; ASTM D523
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