Pali zinthu zambiri zomwe zimakhudza kugwiritsa ntchito hydroxpyl methylcellulose hpmc mu zomangira, makamaka gypsum-porse, motere:
1 madzi kusungidwa
Hydroxypropyll methylcellulose yomanga imalepheretsa madzi owonjezera madzi ndi gawo lapansi, ndipo gypsum ikakhala, madzi ayenera kusungidwa kwathunthu, madzi amayenera kusungidwa mu pulasitala momwe angathere. Khalidwe ili limatchedwa kuti madzi osungidwa komanso akuwoneka mwachindunji ndi mafayilo a hydroxpyl-hyroxpyl methylcellulose yankho ku Stucco. Mawonekedwe apamwamba a yankho, okwera madzi osasungidwa. Madzi akangochulukitsidwa, kuchuluka kwa madzi kumachepa. Izi ndichifukwa choti madzi ochulukirapo amachepetsa yankho la hydroxypropyl methylcellulose pomanga, zomwe zimapangitsa kuchepa kwa mafakisi.
2 anti-sagging
Pulasitala yokhala ndi katundu wa sag-sag imalola ogwiritsa ntchito kuti agwiritse ntchito zovala zamkati popanda kukwawa, ndikutanthauza kuti pulasitala yekhayo si thixotropic, yomwe ikadatsika nthawi ya ntchito.
Kuchepetsa mamasukidwe, zomanga zosavuta
Makina otsika komanso pulasitiki yopanga gypsum itha kupezeka powonjezera meth hydroxpyl yosiyanasiyana ya methylcellulose zinthu. Mukamagwiritsa ntchito mafilimu otsika-hydroxypropyl meth methylcellulose, kuchuluka kwa ma vidiyo kumachepetsa kumakhala kosavuta, koma kuchuluka kwa madzi a hydroxygyulose yofooka, ndipo kuchuluka kwake kumafunikira kuchuluka.
4 Kufanana kwa Stucco
Kwa matope okhazikika owuma, ndizachuma kwambiri kuti apange matope onyowa, omwe angakwaniritsidwe powonjezera madzi ambiri ndi mafupa ambiri. Koma kuchuluka kwa madzi ndi mimbulu ya mpweya ndi yochuluka kwambiri
Post Nthawi: Apr-20-2023