8000 drywall screws

B. When the thickness of the plating is greater than 4 mm, the zinc adhesion should not be less than 610g/m, that is, the average thickness of the zinc layer should not be less than 86 microns.

Generally, the main reasons for the rust of iron wire are: when the steel mesh in the metal mesh appears some dust, this time you can use some water or alkaline solution cleaning. Followed by floating iron or embedded iron, iron will rust, connected to the stainless steel plate mesh of iron rust, so these iron must be dealt with, can use carbon steel wire brush can also be used for processing carbon steel and so on. Then is the scratch, for the scratch, mainly in the production process, need some stubborn iron scratch stainless steel plate net special polishing cleaning machine.

With a large pickpocket used for steel wire, into the zinc liquid before the surface of the zinc ash stirring; Use a small outlet for galvanized steel wire; Zinc pot steel wire outlet in 30 minutes, with pickpockets back and forth, until the large, floating zinc residue into brown, real zinc ash, zinc ash surface. The extracted zinc ash should be brown yellow real zinc ash, zinc surface, effectively reduce zinc consumption. This is one of the measures to reduce zinc consumption, but it is also a real problem, which has not been solved for many years.