Thaum ua thiab thov cov hmoov putty, peb yuav pom ntau yam teeb meem. Niaj hnub no, peb tab tom tham txog yog thaum lub hmoov putty yog tov nrog dej, ntau koj do, uas yuav tsum muaj dej sib cais yuav loj.
Lub hauv paus ua rau qhov teeb meem no yog tias lub hydroxypropyl methylcellose ntxiv nyob rau hauv cov hmoov putty tsis haum. Cia peb saib ntawm tus ua haujlwm ua haujlwm thiab seb peb yuav daws nws li cas.
Lub hauv paus ntsiab lus ntawm cov hmoov putty tau txais thinner thiab thinner:
1. Lub viscosity ntawm hydroxypropylulose yog xaiv tsis raug, qhov viscosity yog tsawg dhau, thiab cov txiaj ntsig raug tsis txaus. Lub sijhawm no, kev sib cais dej loj yuav tshwm sim, thiab cov kev kawm tsis raug muab ncua tsis raug muab cuam tshuam;
2. Ntxiv cov dej ntws-khaws cia kom muaj hmoov ua kom muaj hmoov, uas muaj cov nyhuv dej zoo. Thaum lub putty dissolves nrog dej, nws yuav kaw pes tsawg cov dej. Nyob rau lub sijhawm no, dej ntau yog flocculated rau hauv dej pawg. Nrog nplawm ntau ntawm cov dej sib cais, yog li ib qho teeb meem tshwm sim yog tias koj muaj ntau dua, lub thinner nws yuav dhau los. Coob leej ntau tus tau ntsib qhov teeb meem no, koj tuaj yeem txo tau tus nqi ntxiv los yog txo cov dej ntxiv;
3. Nws muaj qee qhov kev sib raug zoo nrog cov qauv ntawm hydroxypropyl methylulose thiab muaj thixotropy. Yog li no, tom qab ntxiv cellulose, tag nrho cov txheej muaj qee yam thixotropy. Thaum lub putty tau nplawm sai sai, nws cov qauv txheej txheem tag nrho yuav tawg thiab ua kom yooj yim thiab thinner, tab sis thaum nws tseem tshuav.
Kev daws: Thaum siv cov hmoov putty, feem ntau ntxiv dej thiab do kom nws pom cov dej uas haum, koj yuav pom tias cov dej ntxiv ntxiv, tus thinner nws ua. Dab tsi yog vim li cas rau qhov no?
1. Cellulose yog siv los ua cov ntaub ntawv tuab thiab dej-khaws cia hauv cov hmoov uas muaj zaub mov, tab sis vim yog thixulopy tom qab ntxiv dej rau lub putty;
2. Qhov no thixotropy yog tshwm sim los ntawm kev puas tsuaj ntawm cov qauv sib xyaw ua ke ntawm cov khoom sib xyaw ua ke hauv cov hmoov noj. Cov qauv no tsim tawm ntawm so thiab tshem tawm hauv kev ntxhov siab, yog tias yuav muaj qhov tshwm sim uas muaj hmoov nplaum ua rau nws tau ntxiv nrog dej;
3. Ntxiv rau, thaum siv cov hmoov uas muaj putty yog siv, nws dries nrawm heev vim tias ntau ntxiv ntawm cov hmoov tshauv calcium hmoov yog hais txog qhov dryness ntawm phab ntsa. Cov ntaub qhwv thiab dov ntawm cov hmoov ua kom muaj zog yog cuam tshuam nrog cov dej tuav tseg;
4. Yog li ntawd, txhawm rau zam cov xwm txheej tsis tsim nyog, peb yuav tsum them sai sai rau cov teeb meem no thaum siv.
Lub sij hawm Post: Jun-02-2023