Kayayyaki
Polyether-Ƙarancin Nauyin Kwayoyin Halitta na Musamman 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 samfuran elastomer ɗin sa da PTMG kusa da PTMG, na iya maye gurbin PTMG a cikin yanayin ƙarancin zafi.
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 | PET500 | PET1000 | PET2000 |
| Adadin matsakaicin nauyin kwayoyin halitta | 400-600 | 800-1200 | 1700-2300 |
| Hydroxyl darajar, mgKOH/g | 177.7 ~ 266.5 | 88.8 zuwa 133.2 | 46.3 ~ 62.7 |
| Danko (40 ℃), Pa.s | ≤0.5 | ≤1.0 | ≤5.0 |
| Ƙimar acid, mgKOH/g | ≤0.05 | ≤0.05 | ≤0.05 |
| Rarraba yawan ruwa, % | ≤0.05 | ≤0.05 | ≤0.05 |
