Anticorrosion adhesive tape used to winding use adhesive tape, and hot and cold wind belt belt, cold wind zone generally includes polyethylene (compound) type anticorrosive tape, polypropylene fiber anticorrosive tape, aluminum foil uv anticorrosion adhesive tape, PE type 660 (modified bitumen) adhesive tape, double-sided adhesive anticorrosive with (the tape at home with very few, but very practical very widely abroad, usually for export), epoxy coal tar anti-corrosion tape and rubber type epoxy coal asphalt cold wind zone (PRC).
Main anticorrosion adhesive tape products are polyethylene anticorrosive tape, anticorrosion tape, PE 660 type polypropylene fiber tape, epoxy coal tar anti-corrosion cold wind belt, [including polyethylene anticorrosion adhesive tape and polypropylene fiber tape usage in chemical construction and pipeline elbow anticorrosion is larger. The radiation crosslinked polyethylene heat shrinkable winding belt is a kind of anticorrosive tape, after radiation crosslinking of polyethylene has better tensile resistance, resistance to destruction, because his rubber using butyl type thermal shrinkage of sol, greatly improve the peel strength, usually in about 70 n, is cold wind tape more than 3 times, cold wind duct tape over 20 n. Anti-corrosion ability is far greater than cold wrap tape, commonly used in the structure of the three-layer PE anticorrosive mouth, patching and straight pipe anticorrosion.
Polyethylene anticorrosive tape is composed of base film and the rubber, basal membrane of polyethylene membrane, rubber butyl rubber, adhesive has good mechanical strength and sealing performance. According to its function can be divided into corrosion belt (belt), protection (to go), repairing. According to the request of coating grade is divided into common class, strengthen and enhance.  3 construction level editor anticorrosive coating level total thickness (mm) anticorrosive layer structure
Regular grade 0.70 or higher (in + a + a layer of a layer of primer layer to go
Strengthen magnitude 1.40 + a layer of a layer of primer or belt (lap for adhesive tape width 50 ~ 55%)
+ a layer to go (lap for adhesive tape width 50 ~ 55%)
Mainly used in oil and gas transmission; Chemical industry, urban construction of water supply and drainage and gas transportation and so on the outer surface of the buried steel pipeline corrosion protection, construction is convenient, no pollution, etc. Polyethylene anticorrosive tape from 60 s start on oil and gas steel pipeline is widely used as external anti-corrosion material has been more than 40 years of history, because of its excellent anti-corrosion performance and convenient construction performance, make it occupies a certain position in the pipeline anticorrosion material system. And because the polyethylene anticorrosive tape production enterprises to carry out continuous improvement and improve the quality of polyethylene tape varieties and, to make polyethylene anticorrosive tape application domain expands unceasingly.
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