Hot dip galvanized welded wire mesh/concrete composite polystyrene board for building external wall

Material Analysis 百检检测 2024-04-09

Hot dip galvanizing、 as the name suggests、 is the process of plating under heating. After melting zinc into a liquid state、 the base material is immersed in it. This way、 zinc will form an interpenetration with the base material、 bonding very tightly、 and other impurities or defects are not easily left in the middle. Similar to the two materials melting together in the coating area、 and the coating thickness is large、 which can reach 100 micrometers、 so the corrosion resistance is high. The salt spray test for 96 hours is not a problem、 which is equivalent to 10 years in a typical environment; Cold galvanizing、 on the other hand、 is carried out at room temperature、 and the process is not mentioned. Although the thickness of the coating can be controlled、 the bonding strength and thickness of the coating are relatively low、 so the corrosion resistance is poor

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