Polyethylene tape performance advantages

by:Yourijiu     2021-02-03


1。 Polyethylene tape and pipe have enough stick relay, peel strength to 18 30N/cm。 Can effectively prevent the infiltration of liquid medium steel pipe surface, buried after years remained high bonding strength.


2。 Polyethylene tape has the very good elongation at break and the ductility. In a wide temperature range can maintain its flexibility, elongation at break of conventional products is 150 - 500%. Polyethylene tape - 34 ℃ temperature, can be in - 40 ℃ to use for a long time, the embrittlement temperature for - 70℃ 。


3。 Polyethylene tape has a high strength, the tensile strength is more than 20 mpa. Resistant to pipe when loading and unloading of general mechanical force and stress of the buried soil resistance after work. Due to its smooth surface, after he buried pipe and soil displacement occurs not product anticorrosion layer displacement and delaminating.


4。 Polyethylene tape coating with good resistance to cathodic disbonding performance. Polyolefins adhesive tape pipeline with steady reliable protection potential and protection current.


5。 Polyethylene adhesive with high electrical insulation and low water absorption and moisture permeability. Its bibulous rate is less than 0. 02%, the electric breakdown strength is greater than 40 kv/mm.


the butyl rubber - domestic at present Polyethylene composite polyethylene adhesive tape, use the same as the foreign technology through co-extrusion rolling method. Product performance has reached the international level, similar product quality indicators meet the AWWA C214 and national standard of SY/T0414 requirements. Ningbo anda IDEAL compound polyethylene tape, in 2005 by the China national petroleum corporation as the anti-corrosion insulation branch of petrochina anti-corrosion engineering construction quality products, product performance and is identical to that of foreign brands.

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