Roj-resistant, Acid- Thiab Alkali-resistant Marker Pen Khoom Siv Scenarios

Kev siv ntau yam xwm txheej ntawm cov cwj mem kos npe hauv kev lag luam kos npe, vim yog qhov sib txawv ntawm kev siv ib puag ncig, cov teebmeem kuj txawv heev. Hauv kev lag luam kho vajtse thiab hluav taws xob, feem ntau yog siv rau saum npoo ntawm cov pwm hlau. Muaj cov roj stains thiab siv ib puag ncig uas raug rau cov roj immersion thiab so. Feem ntau cov cwj mem kos tau yooj yim tshem tawm tom qab kos thiab tsau hauv cov roj cav. Tom qab txheeb xyuas qhov kev siv los ntawm cov neeg siv khoom feem ntau, kuv tau sim ntau tus cwj mem nrog adhesion zoo. Tom qab kev tshuaj ntsuam xyuas ua ntej, G-380 tseem tuaj yeem tuav lub cim pom tseeb tom qab tau ntub hauv cov roj cav. G-380 yog cov kua qaub thiab alkali resistant oily marker cwj mem nrog cov roj zoo. Ntau cov hlau nto ntawm cov pwm tseem muaj cov cim tom qab so. Cov tshuaj tiv thaiv acid kuj tau ua ua ntej, thiab cov qhab nia yog tsau rau hauv sulfuric acid. Cov cim tseem pom meej meej tom qab 12 teev.