Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified |
Manufacturer | Americas Styrenics LLC |
Trade Name | STYRON® |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Americas Styrenics STYRON® 498 High 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 |
Linear Mold Shrinkage | 0.0040 - 0.0080 cm/cm | 0.0040 - 0.0080 in/in | ASTM D955 |
Melt Flow | 3.5 g/10 min @Load 5.00 kg, Temperature 200 °C |
3.5 g/10 min @Load 11.0 lb, Temperature 392 °F |
ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell R | 114 | 114 | ASTM D785 |
Tensile Strength at Break | 29.6 MPa | 4300 psi | ASTM D638 |
Tensile Strength | 35.9 MPa | 5200 psi | ASTM D638 |
Elongation at Break | 45 % | 45 % | ASTM D638 |
Tensile Modulus | 2.24 GPa | 325 ksi | ASTM D638 |
Flexural Strength | 48.3 MPa | 7000 psi | ASTM D790 |
Flexural Modulus | 2.34 GPa | 340 ksi | ASTM D790 |
Izod Impact, Notched | 0.854 J/cm | 1.60 ft-lb/in | compression molded; ASTM D256 |
1.07 J/cm | 2.00 ft-lb/in | injection molded; ASTM D256 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 90.0 µm/m-°C | 50.0 µin/in-°F | ASTM D696 |
Deflection Temperature at 0.46 MPa (66 psi) | 93.3 °C | 200 °F | ASTM D648 |
Deflection Temperature at 1.8 MPa (264 psi) | 82.8 °C | 181 °F | ASTM D648 |
Vicat Softening Point | 105 °C | 221 °F | ASTM D1525 |