Guidelines documentation characteristics of plastic
When manufacturing Gidrolica® surface flow system the improved impact frost-resistant polypropylene stable to temperature drop is used.
When manufacturing Gidrolica® surface flow system the improved impact frost-resistant polypropylene stable to temperature drop is used.
Characteristics of propylene copolymer (frost-resistant polypropylene), (according to GOST 26996-86)
| Name of indicator | Nominal value |
|---|---|
| Density, kg/m3 | 889 |
| Water absorption for 24 h, % | 0,013 |
| Melting temperature, ˚C | 163 |
| Brittleness temperature, ˚C | -54 |
| Flexural modulus | 1120 |
| Rockwell hardness, α | 46 |