Aimed at galvanizing corrosion rather than decorative, it is not used to determine the aesthetic quality is good or bad, hot dip galvanized surface can not be better than the primordial surface, q345d channel, such as the surface of the substrate has a serious anti-corrosion , scratch marks, etc., Bozhou channel, will still show the original surface state after galvanizing. Lu, also known as leakage of the local iron plating, neon standards prescribed exposed iron unacceptable. When exposed iron in diameter less than 2 mm, since the sacrificial zinc has a protective effect, little effect on corrosion resistance. GB / T 13912 and the United States, the British Standards have pointed out, inadvertently leak plating and coating damage can be repaired, and allow repair of the area and have a more clear patch thickness requirements. Repairing material is welded zinc coating performance close to the low-melting alloy of zinc, thermal spray zinc or zinc-rich paint special. Specific content includes repair materials, pretreatment, post-processing, etc., are described in detail in another American standard designed for repairing galvanized layers developed in. Commonly known as hot-dip galvanized channel galvanized channel can also be called channel hot-dip zinc, galvanized channel steel manufacturers, based on common channel for the substrate after blasting operations, immersed in 440 ~ 460 ℃ about melted zinc solution, 6 # channel, so channel member surface not only plated thick pure zinc layer, but also form a zinc-iron alloy layer, and thus play a preservative purposes. Bozhou channel | Show Bo Trading | non-standard channels provided by the Hefei exhibition Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) strong, credible, in Hefei steel industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement will lead the development of innovative ideas of Commerce Bo into the brilliant and you work for a better future!