HPMC kwa khoma putty

Mawu Oyamba

Wall putty ndi mtundu wa pulasitala yomwe imagwiritsidwa ntchito popanga zosalala komanso zowoneka bwino pamakoma ndi kudenga. Nthawi zambiri amapangidwa kuchokera ku simenti, laimu, ndi zina zowonjezera. Wall putty amagwiritsidwa ntchito kudzaza ming'alu, mabowo, ndi zolakwika zina m'makoma ndi madenga asanapente. Amagwiritsidwanso ntchito popanga zosalala komanso zofananira pojambula ndi zomaliza zina zokongoletsera.

Kugwiritsiridwa ntchito kwa wall putty kwakhalapo kwa zaka mazana ambiri, ndipo kumagwiritsidwabe ntchito masiku ano m'machitidwe osiyanasiyana. Imodzi mwa mitundu yotchuka kwambiri ya khoma la putty ndi hydroxypropyl methylcellulose (HPMC). HPMC ndi polima opangidwa kuchokera ku mapadi ndipo amagwiritsidwa ntchito m'mafakitale ambiri osiyanasiyana, kuphatikiza khoma la putty. HPMC ndi zinthu zosunthika komanso zotsika mtengo zomwe zitha kugwiritsidwa ntchito popanga zinthu zosiyanasiyana zapakhoma.

HPMC ndi chiyani?

HPMC ndi polima opangidwa kuchokera ku mapadi. Ndi ufa woyera, wopanda fungo, wosakoma umene umasungunuka m’madzi. HPMC imagwiritsidwa ntchito m'mafakitale ambiri osiyanasiyana, kuphatikiza khoma la putty. Ndizinthu zosunthika komanso zotsika mtengo zomwe zingagwiritsidwe ntchito popanga zinthu zosiyanasiyana zama khoma.

HPMC ndi zinthu zopanda poizoni zomwe ndizotetezeka kuti zigwiritsidwe ntchito mu khoma la putty. Imakhalanso yosayaka komanso yosayaka, zomwe zimapangitsa kuti ikhale yabwino kwambiri yopangira khoma la putty. HPMC imalimbananso ndi nkhungu ndi mildew, zomwe zimapangitsa kukhala chisankho chabwino pakhoma la putty m'malo achinyezi kapena achinyezi.

Ubwino wa HPMC mu Wall Putty

HPMC ndi zinthu zosunthika komanso zotsika mtengo zomwe zitha kugwiritsidwa ntchito popanga zinthu zosiyanasiyana zapakhoma. Ndizinthu zopanda poizoni zomwe ndizotetezeka kuti zigwiritsidwe ntchito mu wall putty. Imakhalanso yosayaka komanso yosayaka, zomwe zimapangitsa kuti ikhale yabwino kwambiri yopangira khoma la putty. HPMC imalimbananso ndi nkhungu ndi mildew, zomwe zimapangitsa kukhala chisankho chabwino pakhoma la putty m'malo achinyezi kapena achinyezi.

HPMC ndi yosavuta kugwiritsa ntchito ndipo itha kugwiritsidwa ntchito popanga mitundu yosiyanasiyana komanso kumaliza. Ndiwosavuta kugwiritsa ntchito ndipo angagwiritsidwe ntchito popanga malo osalala komanso owoneka bwino pojambula ndi zokongoletsera zina. HPMC imalimbananso ndi kung'ambika ndi kuchepa, ndikupangitsa kukhala chisankho chabwino pakugwiritsa ntchito khoma.

Mapeto

HPMC ndi zinthu zosunthika komanso zotsika mtengo zomwe zitha kugwiritsidwa ntchito popanga zinthu zosiyanasiyana zapakhoma. Ndizinthu zopanda poizoni zomwe ndizotetezeka kuti zigwiritsidwe ntchito mu wall putty. Imakhalanso yosayaka komanso yosayaka, zomwe zimapangitsa kuti ikhale yabwino kwambiri yopangira khoma la putty. HPMC imalimbananso ndi nkhungu ndi mildew, zomwe zimapangitsa kukhala chisankho chabwino pakhoma la putty m'malo achinyezi kapena achinyezi. HPMC ndi yosavuta kugwiritsa ntchito ndipo itha kugwiritsidwa ntchito popanga mitundu yosiyanasiyana komanso kumaliza. Ndiwosavuta kugwiritsa ntchito ndipo angagwiritsidwe ntchito popanga malo osalala komanso owoneka bwino pojambula ndi zokongoletsera zina. HPMC ndichisankho chabwino pamapulogalamu opangira khoma, chifukwa imalimbana ndi kusweka ndi kuchepa.