Solution for hot dip galvanizing of antirust aluminium plate
Dong Xing
aluminummanufacturerchina.com
2017-10-16 20:08:19
Galvanized antirust aluminum is a very important part in the process may appear leakage of zinc phenomenon, affect machining effect of antirust aluminum, will produce waste, so we should take measures to prevent the occurrence of this phenomenon. Harbin Dong Xing Aluminum Co., Ltd is a competent and reliable Aluminum coating sheet manufacturer china.
1. strengthen the pre treatment of hot-dip galvanizing
2. Shorten the dwell time of the process as much as possible
3.to ensure the mass concentration and reasonable proportion of plating aid
4.to prevent the overheating of the plating agent burning
5. aluminum content in zinc liquid is controlled below 0.05%, it is recommended to use 5-10% aluminum intermediate alloy, not directly using pure aluminum ingot
7. Avoid pickling of high carbon steel
8. Thoroughly remove welding slag and spatter
9. remove the flame cutting surface after the elimination of residual scrub
10. The high concentration solvent can be pre coated in the place where the galvanizing is easy to be leaked
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