| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade |
| Manufacturer | Total Atofina |
| Trade Name | PSI |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Total PSI 2451 High Heat Resistance Impact Polystyrene.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.04 g/cc | 1.04 g/cc | ASTM D792 |
| Water Absorption | 0.040 % | 0.040 % | ASTM D570 |
| Linear Mold Shrinkage | 0.0040 - 0.0070 cm/cm | 0.0040 - 0.0070 in/in | ASTM D955 |
| Melt Flow | 5.0 g/10 min @Load 5.00 kg, Temperature 200 °C |
5.0 g/10 min @Load 11.0 lb, Temperature 392 °F |
ASTM D1238 |
| Spiral Flow | 43.0 cm @Temperature 220 °C |
16.9 in @Temperature 428 °F |
ASTM D3123 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 99 | 99 | ASTM D785 |
| Tensile Strength at Break | 30.0 MPa | 4350 psi | ASTM D638 |
| Tensile Strength, Yield | 34.0 MPa | 4930 psi | ASTM D638 |
| Elongation at Break | 45 % | 45 % | ASTM D638 |
| Tensile Modulus | 2.20 GPa | 319 ksi | ASTM D638 |
| Flexural Modulus | 2.45 GPa | 355 ksi | ASTM D790 |
| Izod Impact, Notched (ISO) | 6.50 kJ/m² | 3.09 ft-lb/in² | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 89.0 µm/m-°C | 49.4 µin/in-°F | ASTM D696 |
| Hot Ball Pressure Test | 90.0 °C | 194 °F | JET, 2.0 mm |
| Vicat Softening Point | 102 °C @Load 1.02 kg |
216 °F @Load 2.25 lb |
50°C per hour; ASTM D1525 |
| Heat Distortion Temperature | 82.2 °C | 180 °F | ASTM D648 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Surface Resistance | >= 1.00e+13 ohm | >= 1.00e+13 ohm | ISO IEC 93 |
| Dielectric Strength | 152 kV/mm | 3860 kV/in | ASTM D149 |