(1) Ukunqunywa kwe-viscosity: Umkhiqizo owomisiwe ulungiswa ube yisisombululo samanzi esinokuhlushwa kwesisindo esingu-2°C, futhi ulinganiswa nge-viscometer ejikelezayo ye-NDJ-1;
(2) Ukubukeka komkhiqizo kufana nophuthu, kanti umkhiqizo osheshayo ufakwe u-“s”.
Indlela yokusebenzisa i-hydroxypropyl methylcellulose
Engeza ngqo ngesikhathi sokukhiqiza, le ndlela iyindlela elula nemfushane kakhulu edla isikhathi, izinyathelo ezithile yilezi:
1. Engeza inani elithile lamanzi abilayo esitsheni esivuselelwe esinokucindezeleka okuphezulu kokucheba (imikhiqizo ye-hydroxyethyl cellulose iyancibilika emanzini abandayo, ngakho-ke engeza amanzi abandayo);
2. Vula ukuxuba ngesivinini esiphansi, bese ufaka umkhiqizo kancane kancane esitsheni sokuxuba;
3. Qhubeka uvuselela kuze kube yilapho zonke izinhlayiya zimanzi;
4. Engeza inani elanele lamanzi abandayo bese uqhubeka nokuxuba kuze kube yilapho yonke imikhiqizo incibilika ngokuphelele (ukucaca kwesisombululo kuyanda kakhulu);
5. Bese ufaka ezinye izithako kufomula.
Lungisa utshwala obuvela kumama ukuze busetshenziswe: Le ndlela iwukwenza umkhiqizo ube utshwala obuvela kumama obunomthamo ophezulu kuqala, bese uwufaka emkhiqizweni. Inzuzo ukuthi unokuguquguquka okukhulu futhi ungafakwa ngqo emkhiqizweni oqediwe. Izinyathelo ziyafana nezinyathelo (1-3) endleleni yokwengeza ngqo. Ngemva kokuba umkhiqizo usumanziswe ngokuphelele, yivumele ime ukuze uphole ngokwemvelo ukuze uncibilike, bese uvuselela ngokuphelele ngaphambi kokusebenzisa. Kufanele kuqashelwe ukuthi umuthi wokulwa ne-fungus kumele ufakwe otshwaleni obuvela kumama ngokushesha okukhulu.
Ukuxuba okomile: Ngemva kokuxuba umkhiqizo wempuphu nezinto zempuphu okomile ngokuphelele (njengesimende, i-gypsum powder, ubumba lwe-ceramic, njll.), engeza inani elifanele lamanzi, uxove bese uvuselela kuze kube yilapho umkhiqizo uncibilika ngokuphelele.
Ukuncibilika kwemikhiqizo encibilika emanzini abandayo: imikhiqizo encibilika emanzini abandayo ingafakwa ngqo emanzini abandayo ukuze incibilike. Ngemva kokufaka amanzi abandayo, umkhiqizo uzocwila ngokushesha. Ngemva kokuba manzi isikhathi esithile, qala ukuxuba kuze kube yilapho uncibilika ngokuphelele.
Izinyathelo zokuphepha lapho ulungiselela izixazululo
(1) Imikhiqizo engenakho ukwelashwa kwangaphandle (ngaphandle kwe-hydroxyethyl cellulose) akufanele incibilikiswe ngqo emanzini abandayo;
(2) Kumele ihlungwe kancane kancane esitsheni sokuxuba, ungafaki inani elikhulu noma umkhiqizo osuvele waba yibhulokhi esitsheni sokuxuba;
(3) Izinga lokushisa lamanzi kanye nenani le-ph lamanzi kunobudlelwano obusobala nokuncibilika komkhiqizo, ngakho-ke kufanele kunakwe ngokukhethekile;
(4) Ungafaki ezinye izinto ze-alkaline engxubeni ngaphambi kokuba impuphu yomkhiqizo ifakwe emanzini, futhi wandise inani le-ph ngemva kokuba ifakwe emanzini, okuzosiza ekuncibilikeni;
(5) Kangangokunokwenzeka, engeza i-antifungal agent kusenesikhathi;
(6) Uma usebenzisa imikhiqizo ene-viscosity ephezulu, ukuhlushwa kwesisindo sotshwala bamama akufanele kube ngaphezu kuka-2.5-3%, ngaphandle kwalokho utshwala bamama buzoba nzima ukusebenza;
(7) Imikhiqizo encibilikiswe ngokushesha akufanele isetshenziswe ekudleni noma emikhiqizweni yemithi.
Isikhathi sokuthunyelwe: Ephreli-07-2023