Pipeline anticorrosion–Three oil and two cloth anticorrosion process
The three oil and two cloth anticorrosion process is generally used in metal pipelines In anti-corrosion treatment, during the process, the oil used is a kind of petroleum (modified asphalt), usually called anti-corrosion coating; the cloth used is fiberglass cloth. A total of 3 layers of oil were applied and 2 layers of cloth were wrapped.
(1) Clean the pipe base:
Use a broom, dry rag, etc. to remove dirt and dust on the metal pipes. If there is any rust, you need to remove the rust first. If necessary, use rust-removing oil for rust removal.
(2) Apply the first layer of anti-corrosion paint:
After the base surface of the pipeline is cleaned, apply the first layer of anti-corrosion paint on the pipeline, which is called primer. During the painting process, you need to use tools to lift the pipe off the ground and paint it completely 360 degrees.
(3) Laying the first layer of fiberglass cloth:
After applying the first layer of primer, the first layer of fiberglass cloth can be laid immediately. At this time, the oil has not yet When dry, the fiberglass cloth will easily adhere to the oil when wrapped around it.
(4) Apply the second layer of anti-corrosion paint:
After the first primer is dry and hard, you can apply the second layer of anti-corrosion paint , the method is the same as applying primer and will not be introduced again. Note: Different anti-corrosion coatings require slightly different drying times.
(5) Laying the second layer of fiberglass cloth:
Same as laying the fiberglass cloth for the first time, after applying the second layer of anti-corrosion paint, you can lay the second layer For fiberglass cloth, you also need to pay attention to wrapping the cloth tightly.
(6) Apply the third layer of anti-corrosion paint:
After the second layer of anti-corrosion paint dries and hardens, you can apply the third layer of anti-corrosion paint. The method is the same as above and will not be introduced again.
After the anti-corrosion paint is left to dry and harden, our three-oil and two-cloth anti-corrosion pipeline is completed.
