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Americas Styrenics Styron® 495R High Impact Polystyrene  (discontinued **)

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
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® 495R High Impact Polystyrene  (discontinued **).pdf
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Material Notes:
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 1.1 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ASTM Data
Mechanical Properties Metric English Comments
Hardness, Rockwell R 90
90
Tensile Strength, Ultimate 31.0 MPa
4500 psi
ASTM Data
Tensile Strength, Yield 21.0 MPa
3050 psi
ASTM Data
Elongation at Break 80 %
80 %
ASTM Data
Tensile Modulus 1.46 GPa
212 ksi
ASTM Data
Izod Impact, Notched 0.960 J/cm
1.80 ft-lb/in
ASTM 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) 89.0 °C
192 °F
Unannealed; ASTM Data
Deflection Temperature at 1.8 MPa (264 psi) 76.0 °C
169 °F
Unannealed; ASTM Data
Vicat Softening Point 106 °C
223 °F
Flammability, UL94 HB

@Thickness 3.10 mm
HB

@Thickness 0.122 in
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