Siv ua cov neeg sawv cev sib txuas lus zoo rau cov tsiaj cov kua nplaum, thiab tuaj yeem nce viscosity ntawm cov tsiaj kua nplaum. Nws tseem siv los ua tus saib xyuas tus neeg sawv cev rau urea-formaldehyde cov nplaum. Txoj kev kho tau ntawm 20% kev daws teeb meem yog sai dua.
1. Siv los ua ib daim ntawv Sizing tus neeg sawv cev hauv daim ntawv ntawv kev lag luam los txhim kho cov dej tsis kam thiab impermility ntawm daim ntawv;
2. Tom qab tau yaj nyob hauv dej, cov khoom zoo thiab ntuj colloidal hais hauv cov dej tuaj yeem muab tshem tawm ntawm cov nplaim loj, uas tuaj yeem siv los ua cov dej sib xyaw thiab dej khib nyiab;
3. Siv raws li cov dej turbid, kuj siv ua ntej daus, muab cov khoom siv raw rau cov tshuaj tiv thaiv kab mob rau cov tshuaj pleev ib ce (astringent) hauv cov tshuaj pleev ib ce (astringent) hauv tshuaj pleev ib ce;
4. Hauv kev tiv thaiv hluav taws kub, nws tsim kom muaj hluav taws kub tua hluav taws tus neeg sawv cev nrog ci dej qab zib thiab ua npuas ncauj;
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6. Stabilizer rau albumin pasedeurization (suav nrog kua lossis khov tag nrho cov qe, dawb lossis qe qe);
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8. Hauv kev lag luam roj, nws yog siv los ua kev lom zem hauv kev tsim cov chorome daj thiab pas dej dyes, thiab tib lub sijhawm nws ua lub luag haujlwm ntawm kev kho thiab sau.
