Yog tias lub raj nres qub lawm ces yuav ua li cas?
Cov roj nres uas laus zuj zus yuav tshwm sim qeeb qeeb, lub tsheb yuav tsis muaj nres, thov hloov cov roj nres sai li sai tau, kom tsis txhob muaj kev pheej hmoo ntawm kev nyab xeeb. Cov yam ntxwv ntawm cov roj nres:
1, nres hose tsis kam rau ozone, qhov kub qis thiab kub siab sib xws zoo, yooj ywm zoo, tawg tsis kam, lub zog tensile siab, kev ua tau zoo, cov nyhuv nres ruaj khov, muaj kev nyab xeeb, txhim khu kev qha, ruaj khov;
2, lub neej ntev kev pab cuam, hnav-resistant, tsis yooj yim rau tawg, tsis yooj yim rau tshem tawm lub taub hau, hlau ib puag ncig tiv thaiv plating tsos, tsis yooj yim rau corrosion;
3, kev siv lub teeb ci siab, lub zog tsawg, kev teeb tsa yooj yim, tiv taus av qeeg, tiv taus kev cuam tshuam, tsis muaj hluav taws xob kub, muaj kev nyab xeeb thiab ruaj khov, txhim khu kev qha, tsis xav txog qhov cua sov dissipation.
