Introduction of prefabricated product coating
During the use of pipeline products, to solve the corrosion problem of products, the coating itself needs to have a certain mechanical strength, chemical stability and compactness (the ability to resist the penetration of corrosive media), and have a good adhesion with the metal matrix. According to different states and coating processes of coating materials, they can be roughly classified into three categories: liquid coatings, fusion bonded epoxy coatings and polyolefin anti-corrosion coatings.
Not long ago, prefabricated products from Chilean customers have been delivered. This batch of products has been coated according to the customer’s requirements. The external coating is epoxy zinc rich coating, and the internal coating is FBE coating, that is, fusion bonded epoxy coating. FBE coating itself has high strength, and also has strong adhesion with steel surface. No toxic substances will be directly produced during coating construction, with high production efficiency and good anti-corrosion effect. Moreover, the coating has good compatibility with the cathodic protection system, and almost does not shield the protection current.
Haihao Group has a professional coating technology team. In addition to the coating technology applied in this project,Haihao Group also supports other coating treatments, such as 3PE polyolefin coating, which has a three-layer structure. It optimizes the combination of the strong adhesion between the fusion bonded epoxy powder coating and the matrix and the strong penetration resistance of the polyethylene coating to the corrosive medium. The bottom layer of 3PE coating is fusion bonded epoxy anticorrosive coating, the middle layer is bonding layer, and the top layer is polyethylene layer. Polypropylene can also be used to replace the polyethylene surface layer in high temperature applications. This type of coating is one of the most ideal anti-corrosion coatings at present.
Haihao Group is specialized in the production and operation of pipeline engineering supporting products. We are specialized in the production of flanges, steel pipes, elbows, tees and other products. At the same time, we have a professional welding team and coating team, which can meet all customers’ needs for products at one time. If you are interested in supporting products of pipeline engineering, Haihao is your best partner.