Patina tsis ua hauj lwm: Yog tias Patina nyob nyias nyias / Powdery (vim tias muaj cov av noo qis), ntxuav cov xeb, thiab rov qab ua kom muaj xeb kom rov qab kho cov txheej.
Hars ib puag ncig: Hauv ntug dej hiav txwv (ntsev txau), kev lag luam (kev ua qias tuaj), lossis cov dej av, lub patina degrades sai dua. Ntxuav nrog dej tshiab dej peb lub hlis twg thiab re - tsuag tsuag ua pa stabilizer (piv txwv li 2-3 xyoos los tiv thaiv nws.
Kev ua kom zoo nkauj tsis zoo: Yog tias Patina ploj mus, streaks, lossis nkag mus rau thaj chaw ua ke nrog lub tshuab nqus tsev lossis siv cov xim khov kho lossis UK {tsis txhob muaj stabilizer.
Cov qauv kev pheej hmoo: Yog tias pitting / thinning / thining ntawm lub hauv paus hlau tshwm sim (tshaj 10% ntawm cov ntu tuab, siv cov tshuaj uas tsis muaj corrosion), siv cov khoom noj uas ua kom xeb, siv cov tshuaj tiv thaiv corrosion, thiab re {} tsuag tsuag muaj cov tsho tiv no.
Tshaj tawm -}}}} kho ua haujlwm: Tom qab vuam, txiav, lossis drilling, zom, huv si cov raw hlau thiab re {} tsuag tsuag tus accelerator kom phim cov patina uas twb muaj lawm.
