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Improve the integrity of the anti-corrosion products such as polyethylene tape

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Improve the integrity of the anti-corrosion products such as polyethylene tape

Release date:2016-07-27 The author: Click on:

For the multi-layer structure of the anti-corrosion system, not only the need for coating and the tight combination of steel pipe, and the need for the system in the close combination of layers in order to ensure the integrity of the coating; fill the quality of the coating with the tube coating Match, whether the two are closely integrated, related to the integrity of the pipeline coating.

The research of the mouthpiece technique can be divided into three directions: the same quality as the tube coating, the same coating process, the same quality control, and the same quality of the corrosive coating. The development of the technology is mainly the development of painting equipment, FBE site has long been achieved, three-tier structure of the scene in some important pipeline project has also been used, but the need for specialized equipment, some equipment even very large, such as extrusion Forming 3LPE or 3LPP filling equipment.

Improve and improve the heat shrinkage sleeve filling technology, enhance the mouth of the coating and steel pipe, pipe body coating combination of strength, improve the integrity of the mouth coating itself. Modern heat shrink sleeve filling technology using solvent-free liquid epoxy as the bottom, heat shrinkable material adhesive and PE backing material has also been a lot of improvement, the formation of different grades to meet the different operating conditions of the product. But the quality of heat shrinkage coating still with the body 3LPE and other anti-corrosion layer of the quality of the difference.

Liquid paint fill mouth. Liquid epoxy coating on the FBE of the mouth of the technology has been quite perfect, the main problem is the curing layer curing takes some time, fill the quality of the coating can be achieved, even more than the quality of the body FBE, corrosion integrity is not a problem. Liquid coating on the three-tier structure and other surface of the polyolefin material coating technology is also increasingly perfect.

Polyethylene adhesive tape


Related tags:Polyethyleneadhesivetape

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