Dongosolo la zinthu za polyurethane PU (polyether yosakanikirana, isocynate) thovu losakaniza polyol lolimba komanso lolimba kwambiri Chithunzi Chowonetsedwa

Dongosolo la zinthu za polyurethane PU (polyether yosakanikirana, isocynate) polyol yosakanikirana yozizira yolimba kwambiri

Kufotokozera Kwachidule:

Dzina la Mankhwala: Zigawo za PU za Polyurethane

Zigawo:

polyether yosakanikirana, isocynate

Tumizani imelo kwa ife

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Mafotokozedwe Akatundu

Chigawo: polyether yosakanikirana

Gawo la B: isocynate

Magwiridwe antchito

Chinthu	Chigawo chimodzi Polyether Yosakanizidwa	Chigawo cha B(dongosolo la TM)	Chigawo chimodzi(dongosolo la MDI)
Maonekedwe	Madzi oyera omata a mkaka	Madzi achikasu ofiirira	Madzi achikasu ofiirira
Kuchulukana, g/cm3	1.05±0.1	1.22±0.2	1.22±0.2
Kukhuthala (25℃), mPa·s	1000±200	50±20	200±20

Kugwiritsa ntchito

Amagwiritsidwa ntchito kwambiri pawindo, galasi lotsekera mawindo, galimoto, galimoto, pomwe pa thovu la mpando wa galimoto kapena basi, mpando wogwiritsa ntchito izi uli ndi magwiridwe antchito abwino, obala zipatso zambiri, komanso osamalira chilengedwe ndi zina zotero.....

Deta yotulutsa thovu

Chinthu	Dongosolo la TM	Dongosolo la MDI
Kutentha kwa zinthu, ℃	20 - 25	20 - 25
Kutentha kwa phiri, ℃	55 - 65	60 - 70
Nthawi yoyera mkaka, s	8 - 17	8 - 17
Nthawi ya gel, s	60 - 120	80 - 120
Nthawi yoyambira, s	180 - 300	240 - 360
Chiŵerengero cha A: B	100 : 40-50	100 : 50-60