| Category | Polymer , Thermoplastic , Polystyrene (PS) |
| Manufacturer | NOVA Chemicals |
| Trade Name | Dylark® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | NOVA Chemicals Dylark® 232 High Performance Styrenic, Transparent Grade.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.08 g/cc | 0.0390 lb/in³ | ASTM D792 |
| Water Absorption | 0.10 % | 0.10 % | ASTM D570 |
| Linear Mold Shrinkage | 0.0050 cm/cm | 0.0050 in/in | NOVA |
| Melt Flow | 1.9 g/10 min @Load 2.16 kg, Temperature 230 °C |
1.9 g/10 min @Load 4.76 lb, Temperature 446 °F |
Condition L; ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell L | 108 | 108 | ASTM D785 |
| Tensile Strength, Ultimate | 49.7 MPa | 7210 psi | ASTM D638 |
| Elongation at Break | 1.8 % | 1.8 % | ASTM D638 |
| Modulus of Elasticity | 3.17 GPa | 460 ksi | ASTM D638 |
| Flexural Yield Strength | 112 MPa | 16200 psi | ASTM D790 |
| Flexural Modulus | 3.64 GPa | 528 ksi | ASTM D790 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 68.0 µm/m-°C @Temperature 20.0 °C |
37.8 µin/in-°F @Temperature 68.0 °F |
NOVA |
| Deflection Temperature at 1.8 MPa (264 psi) | 108 °C @Diameter 6.35 mm |
226 °F @Diameter 0.250 in |
bar; ASTM D648 |
| Vicat Softening Point | 122 °C | 252 °F | ASTM D1525 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.583 | 1.583 | |
| Haze | <= 2.0 % | <= 2.0 % | ASTM D1003 |
| Transmission, Visible | 88 % | 88 % | ASTM D1003 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 177 - 260 °C | 351 - 500 °F | Profile Temperature |
| Melt Temperature | 204 - 260 °C | 399 - 500 °F | Air purge at equilibrium conditions |
| Mold Temperature | 43.0 - 60.0 °C | 109 - 140 °F | Mold surface temperature at equilibrium conditions |
| Back Pressure | 0.345 - 0.689 MPa | 50.0 - 100 psi | |
| Screw Speed | 40 - 80 rpm | 40 - 80 rpm |