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Total PSI 4440(AS) High Impact Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer Total Atofina
Trade Name PSI
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Total PSI 4440(AS) High Impact Polystyrene.pdf
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Material Notes:
4440 is a high impact polystyrene for the injection molding of parts demanding good dimensional stability at high temperatures, particularly front and back covers for television sets. In addition, the flow properties of this grade make it particularly suitable for the molding of large parts and for use with new techniques such as gas injection.Applications: Television front and back covers, Office equipmentInformation provided provided by Total Petrochemicals.Total Petrochemicals acquired former Fina and Atofina plastics product lines. This product was previously known as LACQRENE®
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ASTM D1505
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
0.0040 - 0.0070 in/in
Melt Flow 10 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ASTM D1238G
Mechanical Properties Metric English Comments
Hardness, Rockwell R 76
76
ASTM D785
Tensile Strength, Yield 24.5 MPa
3560 psi
ASTM D638M
Elongation at Break 55 %
55 %
ASTM D638M
Flexural Yield Strength 3.92 MPa
569 psi
ASTM D790
Flexural Modulus 1.96 GPa
284 ksi
ASTM D790
Izod Impact, Notched 0.981 J/cm
1.84 ft-lb/in
ASTM D256A
Thermal Properties Metric English Comments
CTE, linear 91.0 µm/m-°C

@Temperature 20.0 °C
50.6 µin/in-°F

@Temperature 68.0 °F
Deflection Temperature at 1.8 MPa (264 psi) 73.0 °C
163 °F
ASTM D648
Vicat Softening Point 88.0 °C
190 °F
50N; ASTM D1525B
96.0 °C
205 °F
10N; ASTM D1525A
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Surface Resistivity per Square >= 1.00e+13 ohm
>= 1.00e+13 ohm
ISO IEC93
Dielectric Strength 150 kV/mm
3810 kV/in
Processing Properties Metric English Comments
Melt Temperature 200 - 240 °C
392 - 464 °F
Drying Temperature 70.0 °C
158 °F
Pre drying temperature
Dry Time 2 hour
2 hour
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