Kayayyaki
Polyether na musamman - matsakaicin nauyin kwayoyin PET polyether
Kayayyaki da Amfani
Yana da ruwa a cikin zafin jiki, wanda ya dace don amfani da sarrafawa. Gilashin canjin zafin jiki na -80 ℃, tare da kyakkyawan aiki mai ƙarancin zafin jiki, kayan aikin injiniya na elastomer suna kusa da na PTMG.
An fi amfani da shi a cikin ƙayyadaddun ƙirar ƙira, tare da kyawawan kaddarorin inji mai ƙarancin zafin jiki da kewayon yanayin yanayin aiki.
Tare da kyakkyawar sassaucin kwayoyin halitta, zai iya maye gurbin PTMG a cikin fata mai sassauƙa da tawada na bugu; ana iya amfani da shi a cikin manne-nauyi masu ƙarancin zafin jiki, sutura, elastomer na polyurethane da sauransu.
Bayanan fasaha
| Abu | Ƙayyadaddun bayanai | ||||
| Di-aiki | Tri-aiki | ||||
| Nau'in I | Nau'in II | Nau'in III | Nau'in IV | ||
| Matsakaicin nauyin kwayoyin lamba (Mn) | 3500± 350 | 4000± 400 | 4500± 450 | 5000± 500 | 4500-7000 |
| Hydroxyl darajar, mgKOH/g | 23.0-37.6 | 20.1-32.6 | 17.9-29.2 | 16.2-26.4 | 19.5 ~ 45.0 |
| Ƙimar acid, mgKOH/g | ≤0.10 | ||||
| Rarraba yawan ruwa, % | ≤0.10 | ||||
