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Anti-corrosion steel pipe, Process

Anti rust process

Steel surface treatment is mainly anti rust, the following is anti rust process:

3-Layer Polyethylene Coating System

3-Layer Polyethylene Coating System

First step is to clean, use cleaning solvent emulsion cleaning the steel surface, in order to achieve the removal of oil, grease, dust, lubricants and similar organic matter, but it can not remove the steel surface rust, oxide, solder medicine.

Second step is to right tools rust, rust tools you want to have to use a wire brush, wire brush to remove loose or warped oxide, rust and slag. To achieve the desired effect of the rust, the hardness of the steel surface must be based on the original extent of corrosion and the required surface roughness, coating, etc. to select the type of abrasive, the epoxy layer, two or three layers polyethylene coating, using mixed abrasive grit and steel shot blasting easier to achieve the desired effect.

Third step is to do pickling, chemical and electrolytic pickling generally use two methods, using only chemical pickling pipeline corrosion. Although chemical cleaning can achieve a certain surface cleanliness and roughness, but there are some pollution to the environment.

Process Diagram of Three-Layer PE PP Coating

Process Diagram of Three-Layer PE PP Coating

Finally emphasis on the importance of surface treatment in the production, strictly control the process parameters when anti rust.

3PE coating pipe
+ 3PE Coating Pipe



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