ТU 2214-126-05766801-2003
Grade 404 is a high-heat general-purpose polystyrene grade without mineral oil, combined strength and high heat resistance.
Produced by initiated mass polymerization method. Application: manufacturing of extrusion and thick polystyrene sheet foam for illuminating ware. Also recommended for manufacturing of large-size parts of electrical home appliances (clear dust-protection parts, etc.) and stationery.
| Value | Test Method | |
|---|---|---|
| 1. Melt flow, g/10 min., at 200°C for 5 kg load | 4.0±1.0 | ASTM D 1238/A |
| 2. Vicat softening point, °C, min. | 97.0 | ASTM D 1525/A |
| 3. Tensile strength, MPa, min. | 45.0 | ASTM D 638 |
| 4. Flexural strength, MPa, min | 90 | D 790/A |
| 5. Residual styrene mass content,%, max. | 0.05 | TU 2214-126-05766801 |
