Dz -- coating thickness mm, Gz -- per square meter coating weight g, Sz -- coating area mm2, dz -- zinc specific gravity
View：129 Date: 05-08-2023
Galvanized sheet in the transport of water.
View：113 Date: 05-08-2023
When the hot galvanized sheet is in the humid air, especially when the air contains SiO2, CO2, NO2 and NO and other acidic substances, the surface of the galvanized layer will soon···
View：121 Date: 05-08-2023
There are three ways to test the corrosion resistance of hot-galvanized sheet: salt spray test; Wet test; Erosion test.
View：110 Date: 05-08-2023
Chromate passivation treatment of galvanized sheet can form passivation film, its chemical reaction formula is as follows: Zn+H2GrO4-ZnGrO2=H2The trivalent chromium in solution pas···
View：108 Date: 05-08-2023
large zinc flower is normal zinc flower, according to the normal production process can produce large zinc flower, its crystal core diameter is not less than 0.2mm.
View：110 Date: 05-08-2023
Dark spots are formed by further oxidation of white rust. The main causes of white rust are:Poor passivation, passivation film thickness is not enough or uneven; No oil on the surf···
View：105 Date: 05-08-2023
The main reasons for zinc layer shedding are: Surface oxidation, silicon compounds, cold bound emulsion is too dirty, NOF section oxidation atmosphere and protective gas dew point ···
View：101 Date: 05-08-2023
What is the length of the coil?
View：99 Date: 05-08-2023
Mainly: peeling, scratches, passivation spots, zinc particles, thick edge, air knife stripes, air knife scratches, exposed steel, inclusion, mechanical damage, poor steel base perf···
View：109 Date: 05-08-2023
There are two kinds: air-cooled and water-cooled.
View：104 Date: 05-08-2023Sales hotline：
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