SIPOLPRENE® 72220 is an ether ester thermoplastic elastomer (TPC-ET), developed and manufactured by SIPOL®, with a nominal hardness of Shore D 72, a high modulus, and a rheological behaviour, which makes it suitable for injection moulding and extrusion processing.
SIPOLPRENE® 72220 comes in a natural colour with a standard stabilisation package, fully in compliance with American FDA and European EU 10/2011 Food Contact Regulations.
Black colour and/or UV stabilised and/or heat stabilised are all available in dry blend version on request.
FDA e EU 2011 food contact compliance
Thermal stability
| Density | ASTM D 792 │ ISO 1183 | g/cm3 | 1,25 |
| Hardness instantaneous / 15 s | ASTM D 2240 │ ISO 868 | Shore D | 72/69 |
| Stress at break | ASTM D 638 │ ISO 527 | MPa | 53 |
| Elongation at break | ASTM D 638 │ ISO 527 | % | 400 |
| Flexural modulus | ASTM D 790 │ ISO 178 | MPa | 650 |
| Tear strength | ASTM D 1004 | N/mm | 250 |
| Melting temperature | ASTM D 3418 │ ISO 11357-3 | °C | 218 |
| Glass transition temperature | ASTM D 3418 │ ISO 11357-2 | °C | 28 |
| Vicat A/50 | ASTM D 1525 │ ISO 306 | °C | 210 |
| Abrasion resistance | ASTM D 1044 (Taber H-18 1Kg) | mg/1000 rev | 35 |
| Water absorption (23°C x 24 h immersion) | MI 08 | % | 0,1 |
| Viscosity – MFI 230°C 2.16 Kg | ASTM D 1238 │ ISO 1133 | g/10 min | 19 |
| Izod impact resistance/notched (23°C) | ASTM D 256 │ ISO 180 | J/m | 70 |
| Izod impact resistance/notched (-40°C) | ASTM D 256 │ ISO 180 | J/m | 5 |
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Polymer modifier |