
Ndi madzi pa kutentha kwa chipinda, komwe ndikosavuta kugwiritsa ntchito ndikukonza. Kutentha kwa kusintha kwa galasi kwa -80 ℃, komwe kumakhala ndi kutentha kochepa, mawonekedwe a makina a elastomer ali pafupi ndi a PTMG.
Amagwiritsidwa ntchito makamaka mu ma propellant olimba, okhala ndi mphamvu zabwino kwambiri zamakina otentha komanso kutentha kosiyanasiyana kogwirira ntchito.
Ndi kusinthasintha kwabwino kwa mamolekyulu, imatha kulowa m'malo mwa PTMG mu chikopa chopangidwa ndi inki yosindikizira yosinthasintha; ingagwiritsidwe ntchito mu zomatira zofewa, zokutira, polyurethane elastomers ndi zina zotero.
Mafotokozedwe aukadaulo
| Chinthu | Kufotokozera | ||||
| Kugwira ntchito kwa Di | Magwiridwe antchito atatu | ||||
| Mtundu Woyamba | Mtundu Wachiwiri | Mtundu Wachitatu | Mtundu Wachinayi | ||
| Chiwerengero cha kulemera kwa mamolekyulu (Mn) | 3500±350 | 4000±400 | 4500±450 | 5000±500 | 4500~7000 |
| Mtengo wa Hydroxyl, mgKOH/g | 23.0~37.6 | 20.1~32.6 | 17.9~29.2 | 16.2~26.4 | 19.5~45.0 |
| Mtengo wa asidi, mgKOH/g | ≤0.10 | ||||
| Gawo la kulemera kwa madzi, % | ≤0.10 | ||||