Cov lim dej ua haujlwm siab tau muab faib ua peb pawg: cov lim dej ua haujlwm siab nrog cov ntu, cov lim dej ua haujlwm siab tsis muaj ntu, thiab cov lim dej ua haujlwm siab ntom ntom.
1. Cov khoom siv lim ntawm cov lim dej ua haujlwm siab yog daim ntawv lim iav fiber, lub thav duab sab nraud yog daim ntawv galvanized, thiab qhov faib yog cardboard. Cov yam ntxwv: ua haujlwm kub siab, ua haujlwm tsis zoo, siv dav hauv kev tsim kho huv hauv ntau yam lag luam thiab lub tshuab cua nrog cov kev xav tau tshwj xeeb thiab cov txheej txheem.
2. tsis muaj kev faib ua feem siab lim dej lim khoom siv yog iav fiber lim ntawv, lub thav duab sab nraud yog txhuas alloy (galvanized ntawv), lub separator yog kub yaj nplaum, lub sealant yog polyurethane. Qhov ua tau zoo yog 99.95%, 99.995%, 99.999%
Lub sijhawm tshaj tawm: Plaub Hlis-26-2024