Cov Kev Ceeb Toom Rau Daim Ntawv Thov ntawm Cowhide Vuam Hnab Looj Tes Rau Txhua Qhov

Cov hnab looj tes tawv tsis tsuas tiv thaiv txhais tes thaum hluav taws xob vuam, tab sis kuj tseem muaj lwm yam haujlwm. Thaum xaiv cov hnab looj tes cowhide vuam, lawv yuav tsum raug xaiv raws li lawv txoj haujlwm tiv thaiv. Cov khoom tiv thaiv yuav tsum tau hais meej ua ntej, thiab tom qab ntawd ua tib zoo xaiv. Cov khoos kas hauv qab no yuav tham txog cov kev ceev faj thaum xaiv cov hnab looj tes vuam tsoo.

1. Cov hnab looj tes tiv thaiv dej, kua qaub thiab alkali yuav tsum tau kuaj xyuas kom zoo ua ntej siv los saib seb puas muaj qhov puas. Txoj kev yooj yim coj los siv cua tshuab rau hauv hnab looj tes thiab ntxig lub tes tsho nrog koj txhais tes los soj ntsuam seb puas muaj kev nqus cua. Yog tias nws lo tawm, nws siv tsis tau.

2. Thaum siv rau roj hmab, yas, thiab lwm yam, nws yuav tsum tau muab yaug thiab qhuav. Txav nrog qhov kub siab thaum khaws cia, thiab nchuav talcum hmoov ntawm cov khoom kom tiv thaiv kev nplaum.

3. Thaum siv hnab looj tes tawv nyuj siv hauv hluav taws xob, qhov ntsuas hluav taws xob ua haujlwm yuav tsum raug kuaj xyuas tsis tu ncua, thiab lawv siv tsis tau yog tias lawv tsis ua raws li qhov xav tau.

4. Tiv tauj nrog cov muaj zog oxidizing acids xws li nitric acid, chromic acid, thiab lwm yam, yuav ua rau nkig, ua kom tawg thiab puas tsuaj thaum ntxov rau cov khoom vim muaj zog oxidation. Kev siab ntxiv ntawm cov muaj zog oxidizing acid tuaj yeem ua rau hlawv, yog li them sai sai rau nws.

5. Nws tsim nyog rau cov kua qaub ua kom tsis muaj zog, ua kom tsis muaj zog sulfuric acid thiab ntau yam ntsev. Tsis txhob sib cuag nrog muaj zog oxidizing acid.