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American Polymers API 550 Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer American Polymers
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF American Polymers API 550 Polystyrene.pdf
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Material Notes:
API 550 is a high impact grade of polystyrene. It is characterized by good impact and processability.Applications: API 550 is widely used in housewares, toys, containers, appliance parts, speaker housings and various types of extrusions.Information provided by American Polymers, Inc.
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ASTM D792
Melt Flow 8.0 g/10 min
8.0 g/10 min
Condition G; ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell L 47
47
ASTM D785
Tensile Strength, Ultimate 26.9 MPa
3900 psi
ASTM D638
Elongation at Break 45 %
45 %
ASTM D638
Tensile Modulus 1.59 GPa
230 ksi
ASTM D638
Flexural Modulus 1.93 GPa
280 ksi
ASTM D790
Izod Impact, Notched 1.07 J/cm

@Thickness 3.17 mm
2.00 ft-lb/in

@Thickness 0.125 in
injection molded sample; ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 81.1 °C
178 °F
Annealed; ASTM D648
Vicat Softening Point 85.0 °C
185 °F
ASTM D1525
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