Polyethylene tape anticorrosive advantage

by:Yourijiu     2021-02-03

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polyethylene tape with excellent construction performance, appropriate temperature range of construction, construction is convenient, diverse methods. Can factory already, also can live prefabricated; Both winding mechanical construction, can also be wound by hand.

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prefabrication process simple:

( 1) Moving and cleaning;

( 2) Primer;

( 3) Adhesive tape.

( 4) No environmental pollution, construction speed, high efficiency, such as daqing YouJian two small pipe line, a group of three people, a day can produce Ф 76 pipe 3 km.

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polyethylene tape precast production line and machine equipment is not complicated, covers an area of less, on asphalt anticorrosive line or foam jacket line slightly modified, add a tape winding equipment.

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asphalt anticorrosive coating glass cloth has been oilfield buried steel pipeline corrosion protection of main materials. Daqing oilfield has surveyed the 500 km asphalt anticorrosive pipeline detection. Survey found built after 85 pipeline anticorrosive coating quality is generally built of pipeline is inferior to the 60 s and seventy s, reason has relationship with raw materials and construction. Petroleum asphalt ( Usually use 10 # building asphalt) Ingredient complex, the quality is not stable, low softening point, low temperature cold short flows, high temperature, aging resistance performance is poorer; Outer protective layer of polyethylene industrial film and asphalt adhesion is poor, low mechanical strength, easy damaged or destroyed by human, lead to the whole of the water resistance and anticorrosive layer reed rhizome penetration resistance is reduced, shorten service life. In addition, the asphalt coating technology is complex, high temperature, serious environmental pollution, the worker labor intensity. The coating quality is not easy to control. In recent years, with the constant improvement of the polyethylene tape product quality and performance, the continuous development of construction machinery and technical improvement of its comprehensive performance is better than that of petroleum asphalt. Prepared in daqing oil field oil main service life requirements such as large investment, long line, USES the adhesive tape and coated with polyethylene (PE) composite structure to replace the tar anti-corrosion glass cloth.

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