TU 2214-126-05766801-2003
Grade 825EM is a high impact polystyrene is produced by bulk block copolymerization of styrene and butadiene rubber.
It is used for manufacture of industrial packaging by thermoforming and for extrusion molding of multilayer profile sheets. It is used for thin wall extrusion.
| Value | Test Method | |
|---|---|---|
| 1. Melt flow, g/10 min., at 200°C for 5 kg load | 3.0 ±1.0 | ASTM D 1238/A |
| 2. Vicat softening point, °C, min. | 92.0 | ASTM D 1525/A |
| 3. Tensile strength, MPa, min. | 21.0 | ASTM D 638M |
| 4. Ultimate tensile elongation, %, min. | 45.0 | ASTM D 638M |
| 5. Notched Izod impact strength, J/m, min. | 96.0 | ASTM D 256/A |
| 6. Fiexural strength, MPa, min. | 35.0 | ASTM D 790/A |
| 7. Gloss, 60°, min. | 50.0 | ASTM D 523 |
| 8. Residual styrene mass content,%, max. | 0.05 | Par. 4.10 of the above stated TU |
