Cov yeeb nkab xyoob siv tau rau hauv kev tsim kho hauv nroog
Cov khoom siv sib xyaw ua los ntawm xyoob feem ntau siv cov xyoob thiab cov kab ua cov ntaub ntawv tseem ceeb, thiab siv cov resins nrog ntau yam haujlwm ua cov nplaum. Ntau yam khoom yeeb nkab yog cov xwm txheej siv dav tshaj plaws rau cov khoom siv bio-based no. Lub cev tseem ceeb ntawm cov yeeb nkab sib xyaw ua los ntawm xyoob yog tsim los ntawm ib txheej sab hauv, ib txheej txhawb nqa, thiab ib txheej tiv thaiv sab nraud. Lub tshuab cua xyoob yog cov khoom siv txhawb nqa, thiab cov nplaum resin yog lub cev tseem ceeb ntawm kev ua haujlwm tiv thaiv. Tom qab cov nplaum sib cuam tshuam tag nrho nrog lub tshuab cua, qhov tuab ntawm cov khoom siv thiab hom nplaum raug txiav txim siab raws li qhov xwm txheej siv cov kav dej, thiab cov yam ntxwv xws li kub, siab, thiab lub sijhawm thaum lub sijhawm tsim khoom raug txiav txim siab ntxiv. Tom qab kev kho mob demoulding ruaj khov, cov yeeb nkab sib xyaw ua tiav tuaj yeem ua tau.
Piv rau cov kav dej cement, cov kav dej yas, cov kav dej fiberglass, thiab cov kav dej hlau uas siv tam sim no, cov kav dej sib xyaw ua los ntawm xyoob yog siv dav hauv ntau qhov chaw xws li kev muab dej rau thaj av ua liaj ua teb, kev thauj mus los ntawm cov khoom siv corrosive, kev tso tawm cov av qias neeg hauv nroog, cov kav dej circuit, thiab cov kav dej hauv av hauv nroog. Ntawm lawv, nws tsis tsuas yog muaj cov yam ntxwv ntawm kev tiv thaiv corrosion, kev tiv thaiv txias thiab kev tiv thaiv kub siab, tab sis kuj muaj kev txuag hluav taws xob thiab txo cov pa phem. Yog tias nws tuaj yeem txhawb nqa los ntawm kev ua lag luam zoo dua, hom, thev naus laus zis thiab kev ua tau zoo, nws yuav muaj kev cuam tshuam loj rau kev lag luam kav dej ib txwm muaj hauv kev ua lag luam.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-14-2023
