The Anti-Corrosion Treatment Of Ductile Iron Pipe Fittings
1. Asphalt paint coating
Asphalt paint coating is used to transport gas pipelines. Preheating the pipe before painting can improve the adhesion of the asphalt paint and accelerate the drying.
2. Cement mortar lining + special coating
This kind of internal anti-corrosion measures is suitable for pipelines conveying sewage and can improve the corrosion resistance of the inner lining.
3. Epoxy coal pitch coating
The epoxy coal tar coating is suitable for both gas pipelines and sewage pipelines. It is a two-component coating that has high adhesion and a very smooth surface.
4. Epoxy ceramic lining
Epoxy ceramic lining is suitable for sewage pipelines and gas pipelines, but due to the difficult manufacturing process and high cost, it has certain limitations in use. Epoxy ceramic lining has high adhesion and smoothness, which is an excellent anti-corrosion.
5. Aluminate cement coating or sulfate cement coating
Both of these special cement coatings are suitable for the internal anti-corrosion of ductile iron pipes used in sewage pipelines to improve the corrosion resistance of the acid and alkali components in the sewage.
6. Polyurethane coating
It is a new type of green special coating developed to meet the needs of environmental protection. It has good wear resistance and corrosion resistance.
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By Minghe Die Casting Manufacturer |Categories: Helpful Articles |Material Tags: Aluminum Casting, Zinc Casting, Magnesium Casting, Titanium Casting, Stainless Steel Casting, Brass Casting,Bronze Casting,Casting Video,Company History,Aluminum Die Casting |Comments Off
