Umphumela we-hydroxypropyllylyly methylcellulose kudaka

Kunezinto eziningi ezithinta ukusetshenziswa kwe-hydroxypropyll methylcellulose hpmc ezintweni zokwakha, ikakhulukazi udaka olususelwa ku-gypsum, ngokulandelayo:

1 Ukugcinwa kwamanzi

I-Hydroxypropylm Methylcellulose yezokwakha ivimbela ukumunyisa kwamanzi ngokweqile nge-substrate, futhi lapho i-gypsum isethwe ngokuphelele, amanzi kufanele agcinwe ku-pollarter ngangokunokwenzeka. Lesi sici sibizwa ngokuthi ukugcinwa kwamanzi futhi silingana ngqo nokuvunywa kwe-hydroxyprotictypropyllose methylcellulose solution eStucco. Lapho kukhuphuka khona isixazululo, kuphakama amandla ayo okugcina amanzi. Lapho nje okuqukethwe kwamanzi kukhuphukile, umthamo wokugcina amanzi uzokwehla. Lokhu kungenxa yokuthi amanzi andayo afaka ikhambi le-hydroxypropyllllylyll methylcellulose ekwakheni, okuholela ekunciphiseni ekubonakaleni.

2 Ukulwa-sagging

Udaka olunezakhiwo ze-anti-sag luvumela abafakisicelo ukuthi basebenzise amajazi amakhulu ngaphandle kokugcwala, futhi futhi kusho ukuthi usizi ngokwalo aluyona i-thixotropic, ebingahlehlisela phansi ngesikhathi sohlelo lokusebenza.

3 Yehlisa i-Viscosity, ukwakhiwa okulula

I-viscosity ephansi kanye nokwenza udaka lwe-gypsum olulula oluzotholwa ngokungeza imikhiqizo ehlukahlukene ye-hydroxyproppropylylyllose. Lapho usebenzisa amamaki aphansi okubona ama-hydroxypropylk, izinga lokubonakala lincipha kakhulu ukwakhiwa kuba lula, kepha umthamo wokugcina amanzi we-visdroxcellopyllllylylylylylylylll methylcellose methylcellulose methylcellulose we-methylcellulose yezokwakha abuthakathaka.

4 Ukuhambisana kweStucco

Ngenani elimisiwe lodaka olomile, kungokomnotho ngokwengeziwe ukukhiqiza umthamo ophakeme wodaka olumanzi, olungatholakala ngokungeza amanzi amaningi nama-bubble omoya. Kepha inani lamanzi nama-bubble amoya akhulu kakhulu


Isikhathi sePosi: APR-20-2023