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Americas Styrenics STYRON™ A-TECH™ 1220 High-Impact Polystyrene Resin  (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
Download PDF Americas Styrenics STYRON™ A-TECH™ 1220 High-Impact Polystyrene Resin  (discontinued **).pdf
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Material Notes:
STYRON™ A-TECH™ 1220 advanced technology polystyrene resin is a high impact, high modulus resin for extrusion thermoforming applications. The improved durability of this resin allows potential down-gauging and scrap reduction, as well as overall improvements in process efficiency. Main Characteristics Easy Processing Outstanding thermoform-ability High Modulus/Toughness Balanced Good Trim-ability Complies with U.S. FDA 21 CFR 177.1640 Applications Packaging/Disposables Cold Drink Cups Plates/Bowls Portion Containers Information provided by DowAmericas 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
Specific Gravity 1.04 g/cc
1.04 g/cc
ASTM D792
Linear Mold Shrinkage 0.0030 - 0.0070 cm/cm
0.0030 - 0.0070 in/in
ASTM D955
Melt Flow 3.9 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 28.1 MPa
4080 psi
0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Tensile Strength, Yield 27.6 MPa
4000 psi
0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Elongation at Break 59 %
59 %
0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Tensile Modulus 2.03 GPa
295 ksi
0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Flexural Strength 51.7 MPa
7500 psi
0.05 in/min; 3-point; ASTM D790
Flexural Modulus 2.41 GPa
350 ksi
0.05 in/min; 3-point; ASTM D790
Izod Impact, Notched 1.76 J/cm
3.30 ft-lb/in
0.5 x 0.125 in.; ASTM D256
Thermal Properties Metric English Comments
CTE, linear 90.0 µm/m-°C

@Temperature 20.0 °C
50.0 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 89.4 °C
193 °F
unannealed; injection molded; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 76.7 °C
170 °F
unannealed; injection molded; ASTM D648
Vicat Softening Point 104 °C
220 °F
120°C/hr, 1 kg; ASTM D1525-B
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