Daim ntawv thov ntawm cov hlau coatings los ntawm cov txheej txheem tas mus li ntawm kub dipping yog ib qho ntawm cov ntaub ntawv siv ntau tshaj plaws rau kev tiv thaiv cov hlau. Nyob rau hauv cov txheej txheem no, cov hlau sawb txuas ntxiv mus rau hauv ib lub molten hlau da dej. Ntawm cov hlau coatings haum rau daim ntawv thov ntawm cov txheej txheem kub immersion, peb tuaj yeem hais txog Galvalume alloy.
Galvalume yog ib daim ntawv hlau coated nrog 55% Al43,5% Zn1,5% Si alloy thiab sib xyaw ua ke ntawm aluminium durability nrog galvanic zinc tiv thaiv, muab kev tiv thaiv zoo heev rau corrosion hauv marine thiab kev lag luam ib puag ncig piv rau zinc coatings uas twb muaj lawm nyob rau hauv kev ua lag luam, tsis kam oxidation. ntawm qhov kub thiab txias zoo dua thermal reflectivity cuam tshuam nrog lub qab ntxiag thiab txawv saib piv rau lwm cov txheej zoo sib xws. Nws cov yam ntxwv ntawm formability, weldability thiab painting yooj yim, txuam nrog nws mechanical zog, ua rau nws tsim nyog rau daim ntaub ntawv nyob rau hauv ob peb ntu.
Galvalume AZ55

Galvalume txheej tau los ntawm cov txheej txheem solidification ntawm cov txheej txheem deposited, ua rau ib tug nto nrog crystals pom ntawm qhov muag liab qab.
Hom txheej no tau pom zoo rau kev siv dav dav, tshwj xeeb tshaj yog rau cov ntawv thov hauv kev tsim kho kev lag luam, cov khoom siv loj thiab qhov chaw pib.
Txheej txheem txheej
| Technical Standard | Txheej | Kev ntsuas tus kheej (g / m²) | Kev ntsuas peb zaug (g / m²) |
| ASTM A792 Cov Lus Qhia Tshwj Xeeb | ZWM 150 | 130 | 150 |
| SIB 165 | 150 | 165 | |
| ZWM 180 | 155 | 180 | |
| AZ 50 | 131 | 153 | |
| UA 55 | 153 | 168 | |
| ZPO 60 | 159 | 183 | |
| TIAB SA 15578 | ZPO 150 | 130 | 150 |
| TIAB SA 165 | 140 | 165 | |
| TIAB SA 180 | 155 | 180 |

