General Informations:
HIPS7240 is a very high impact polystyrene used in the extrusion industry .This grade is designated to be diluted with crystal polystyrene (such as GPPS 1240,1340 or 1540 ).
The good melt strength of this grade makes it particularly suitable for deep-draw thermoforming. HIPS 7240 is available in white color.
Applications:
HIPS7240 extrusion:Darty sheet . Coextrusion with EVOH PE…, in dilution with crystal industrial sheet.
HIPS7240 Thermoforming:Cups;Trays;Egg boxes;General packaging. Dilution with crystal for CD inserts , Shoe heels.
Specification:
| Property | Unit | Value | Test Method | |
| MFI (200oc/5kg ) | g/10 min | 4.5 | ASTM D 1238 | |
| Styrene residual monomer | ppm | <500 | CLGLABPSG004
(ATOFINA TEST METHOD) |
|
| Vicat softening point | OC | Min. 94 | ASTM D 1525 | |
| Rockwell hardness | – | Scale | L65 | ASTM D 785 |
| Tensile strength @ yeild | MPa | 21 | ASTM D 638 | |
| Tensile strength @ break | MPa | 20 | ASTM D 638 | |
| Elongation @ break | % | 55 | ASTM D 638 | |
| Flexural modulus | MPa | 1750 | ASTM D 790 | |
| Tensile modulus | MPa | 1800 | ASTM D 638 | |
| Izod impact | % | Min. 8.5 | ISO 180/1A | |
| Water absorption | % | <0.1 | ASTM D 570 | |
Specification: HIPS EXTRUSION-TABRIZ-7240
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