| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified |
| Manufacturer | NOVA Chemicals |
| Trade Name | Dylark® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | NOVA Chemicals DYLARK® 378 Impact Grade Engineering Resin.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.06 g/cc | 1.06 g/cc | ISO 1183 |
| Linear Mold Shrinkage | 0.0060 cm/cm | 0.0060 in/in | ISO 2577 |
| Melt Flow | 1.0 g/10 min @Load 2.16 kg, Temperature 230 °C |
1.0 g/10 min @Load 4.76 lb, Temperature 446 °F |
ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 30.0 MPa | 4350 psi | ISO 527-2 |
| Elongation at Break | 12 % | 12 % | ISO 527-2 |
| Tensile Modulus | 2.30 GPa | 334 ksi | ISO 527-2 |
| Flexural Strength | 59.0 MPa | 8560 psi | ISO 178 |
| Flexural Modulus | 2.40 GPa | 348 ksi | ISO 178 |
| Izod Impact, Notched (ISO) | 7.50 kJ/m² | 3.57 ft-lb/in² | ISO 180/1A |
| Charpy Impact Unnotched | 5.60 J/cm² | 26.7 ft-lb/in² | ISO 179/1eU |
| Charpy Impact, Notched | 0.720 J/cm² | 3.43 ft-lb/in² | ISO 179/1eA |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 78.0 µm/m-°C @Temperature 20.0 °C |
43.3 µin/in-°F @Temperature 68.0 °F |
NOVA Chemicals Laboratory Procedure |
| Deflection Temperature at 1.8 MPa (264 psi) | 99.0 °C @Diameter 4.00 mm |
210 °F @Diameter 0.157 in |
Unannealed; bar; ISO 75-2 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 177 - 260 °C | 351 - 500 °F | Profile temperatures |
| Melt Temperature | 204 - 260 °C | 399 - 500 °F | air purge at equilibrium conditions |
| Mold Temperature | 43.0 - 60.0 °C | 109 - 140 °F | Core surface temp. at equilibrium |
| 54.0 - 71.0 °C | 129 - 160 °F | Cavity surface temp. at equilibrium | |
| Back Pressure | 0.345 - 0.689 MPa | 50.0 - 100 psi | Typically 50 psi |
| Screw Speed | 40 - 80 rpm | 40 - 80 rpm |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Injection Speed | medium-fast | Typically fast |