Polyethylene tape patching and repairing

by:Yourijiu     2021-02-03
Although now polyethylene tape with their own advantages have found application in many fields, and very good completed the different areas of the pipeline corrosion protection work, and was deeply loved by you and recognition, but in the use of time is not not a problem, such as when to use or transport lead to damage the surface of the adhesive tape, which affects the normal use, when we meet this kind of situation that how the patching and repairing? Let's look at. < br />
1, polyethylene tape after find out defects, should be done on a mark, and repair in time. < br />
2, to repair should be finishing injury, removing loose burrs, cleaned, coated with primer. < br />
3, for a small range of pinhole defects, using the same as the original tube body coating adhesive tape are patched by the method of supplement. Repair, cut a piece of 100 x 100 mm polyethylene tape, cut out the rounded patch, after being primer is dry, stick to the wound. < br />
4, for the mouth of the fixed weld area, on both sides to destroy the anticorrosive layer removed, put the edge trim smooth, using the appropriate width of polyethylene tape of spiral coil. < br />
should be more than 5, the patch and primer to defect area extends at least 50 mm or the original coating each direction, and use the wooden tools closely compacted tape to make it smooth cock. < br />
when to use polyethylene tape if you encounter the need for repairing and patching, you can refer to the above methods to operate, because the pipeline buried underground for a long time to use easily by water or electrolyte corrosion, manipulation, and use adhesive tape when once appear gap will cause leakage, damage is very big, so we should timely patching, thus reduce the leakage situation. / /

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