hpmc ufa pomanga Kugwiritsa ntchito hydroxypropyl methylcellulose HPMC mu zomangira: 1 simenti yopangidwa ndi gypsum ⑴ Sinthani mawonekedwe, pangitsa kuti pulasitala ikhale yosavuta kuti ipake pa trowel, ndipo nthawi yomweyo sinthani magwiridwe antchito a anti-sag, onjezerani madzimadzi komanso pompopompo, ndi ...
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