Polystyrène

Rendu 3D — médiathèque produits PETRO STELLAR
GPPS/HIPS/EPS pour électroménager, emballage, isolation et construction ; excellente transparence, rigidité et transformabilité.
Qualité et performance constantes pour toutes les nuances.
Prix compétitifs, approvisionnement fiable et conditionnement flexible.
Service après-vente et aide au développement d’applications.
| Propriété | Typical / Reference Value | Méthode d’essai |
|---|---|---|
| Melt Flow Rate (200 °C / 5 kg) | 1 – 10 g/10 min | ASTM D1238 |
| Density | 1.04 – 1.06 g/cm³ | ASTM D792 |
| Tensile Strength at Yield | 30 – 55 MPa | ASTM D638 |
| Elongation at Break | 1 – 3 % | ASTM D638 |
| Flexural Modulus | 2.5 – 3.5 GPa | ASTM D790 |
| Izod Impact Strength (23 °C) | 15 – 45 J/m | ASTM D256 |
| Vicat Softening Temp. (VST, 1 kg) | 90 – 100 °C | ASTM D1525 |
| Heat Deflection Temp. (HDT, 1.8 MPa) | 70 – 88 °C | ASTM D648 |
| Ash Content | ≤ 0.05 % | ISO 3451-1 |
| Moisture Content | ≤ 0.10 % | ASTM D6980 |
| Appearance | Clear, free-flowing granules | Visual |
| Propriété | Typical / Reference Value | Méthode d’essai |
|---|---|---|
| Melt Flow Rate (200 °C / 5 kg) | 2 – 12 g/10 min | ASTM D1238 |
| Density | 1.04 – 1.06 g/cm³ | ASTM D792 |
| Tensile Strength at Yield | 20 – 28 MPa | ASTM D638 |
| Elongation at Break | 20 – 60 % | ASTM D638 |
| Flexural Modulus | 1.6 – 2.4 GPa | ASTM D790 |
| Izod Impact Strength (23 °C) | 80 – 300 J/m | ASTM D256 |
| Vicat Softening Temp. (VST, 1 kg) | 88 – 98 °C | ASTM D1525 |
| Heat Deflection Temp. (HDT, 1.8 MPa) | 68 – 82 °C | ASTM D648 |
| Ash Content | ≤ 0.05 % | ISO 3451-1 |
| Moisture Content | ≤ 0.10 % | ASTM D6980 |
| Appearance | White / Natural granules | Visual |
| Propriété | Typical / Reference Value | Méthode d’essai |
|---|---|---|
| Bead Size (Diameter) | 0.6 – 2.0 mm | Internal Method |
| Bulk Density (Beads) | 10 – 25 kg/m³ | ASTM D6817 |
| Pentane Content | 5.0 – 7.5 wt% | Internal Method |
| Moisture Content | ≤ 1.0 wt% | ASTM D570 |
| Volatile Matter | ≤ 1.5 wt% | ASTM D3030 |
| Ash Content | ≤ 0.05 wt% | ISO 3451-1 |
| Melting Point | 95 – 105 °C | ASTM D3418 |
| Achievable Bulk Density after Pre-expansion | Seller PDS / Grade Dependent | Internal Method |
| Appearance | White beads, free-flowing | Visual |