Txhawm rau tswj cov txheej txheem saum npoo ntawm cov menyuam embossing, feem ntau nws yog qhov yuav tsum tau ua kev kho mob, xws li acid pickling kom tshem tawm xeb thiab siv cov organic tshuaj kom tshem tawm cov roj stains, kom ntseeg tau tias nws qhov chaw huv si thiab tsis muaj av. Mechanical sandblasting yog ib txoj hauv kev zoo los txhim kho nws cov kev ua tau zoo. Sandblasting tsub kom qhov roughness ntawm cov embossing cov menyuam, uas tuaj yeem txhim kho qhov adhesion ntawm tus qauv nto thiab cov menyuam embossing.
Khaws cov embossing cov menyuam kom qhuav kom tsis txhob xeb dua. Kev saib xyuas tsis tu ncua ntawm cov menyuam embossing kuj tseem ceeb heev, tshwj xeeb tshaj yog cov qauv saum npoo. Ua tib zoo saib xyuas kom raws sijhawm kom tsis txhob muaj av los ntawm clogging tus qauv. Thaum tu, nco ntsoov siv cov cuab yeej tshwj xeeb, tsis txhob siv lub zog brute, thiab ua tib zoo ntxuav ntawm cov qauv.
