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Americas Styrenics Styron® 685P Polystyrene  (discontinued **)

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Americas Styrenics Styron® 685P Polystyrene  (discontinued **).pdf
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Material Notes:
STYRON® 685P general purpose polystyrene resin is a high heat resin with good strength, moldability/processability, and excellent clarity. This resin is typically used in consumer electronic applications. When used unmodified for the manufacture of food contact articles STYRON 685P complies with the US Food, Drug and Cosmetic Act and Food Additive Regulations 21 CFR 177.1640. The regulations should be consulted for complete details.Data provided by Dow Chemical.Americas Styrenics was formed in 2008 as a joint venture between Dow Chemical and Chevron Phillips Chemical Company. Styron was a Dow trade name before the JV formation.
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ASTM Data
Linear Mold Shrinkage 0.0050 cm/cm
0.0050 in/in
Melt Flow 2.2 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ASTM Data
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 52.4 MPa
7600 psi
ASTM Data
Tensile Strength, Yield 52.4 MPa
7600 psi
ASTM Data
Elongation at Break 2.2 %
2.2 %
ASTM Data
Elongation at Yield 2.0 %
2.0 %
ISO Data
Tensile Modulus 3.20 GPa
464 ksi
ASTM Data
Charpy Impact Unnotched 0.800 J/cm²
3.81 ft-lb/in²
ISO Data
1.00 J/cm²
4.76 ft-lb/in²
ISO Data, Low Temp
Charpy Impact, Notched 0.100 J/cm²
0.476 ft-lb/in²
ISO Data, Low Temp
0.300 J/cm²
1.43 ft-lb/in²
ISO Data
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 90.0 µm/m-°C

@Temperature 20.0 °C
50.0 µin/in-°F

@Temperature 68.0 °F
ASTM data
Deflection Temperature at 0.46 MPa (66 psi) 96.7 °C
206 °F
Unannealed; ASTM Data
Deflection Temperature at 1.8 MPa (264 psi) 83.3 °C
182 °F
Unannealed; ASTM Data
Vicat Softening Point 108 °C
226 °F
Flammability, UL94 HB

@Thickness 3.20 mm
HB

@Thickness 0.126 in
Optical Properties Metric English Comments
Haze 1.0 %
1.0 %
Transmission, Visible 90 %
90 %
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