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American Polymers API 425 Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Molded, Unreinforced
Manufacturer American Polymers
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF American Polymers API 425 Polystyrene.pdf
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Material Notes:
API 425 is a medium impact grade of polystyrene for injection molding. API 425 has good gloss, easy flow and fast cycling properties.Applications: API 425 is widely used in cosmetic packaging, food packaging, cassettes, caps and closures.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 48
48
ASTM D785
Tensile Strength, Ultimate 33.1 MPa
4800 psi
ASTM D638
Elongation at Break 24 %
24 %
ASTM D638
Tensile Modulus 1.93 GPa
280 ksi
ASTM D638
Flexural Modulus 2.10 GPa
305 ksi
ASTM D790
Izod Impact, Notched 0.534 J/cm

@Thickness 3.17 mm
1.00 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) 87.2 °C
189 °F
Annealed; ASTM D648
Vicat Softening Point 94.4 °C
202 °F
ASTM D1525
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