It is mainly composed of base material and hot melt adhesive. Our company adopts unique hot melt adhesive formula to ensure the adhesive strength of the product in use and thus ensure the construction quality. Optimization of the design of the new heat shrinkable tape (set) is easy to site construction, fast shrinkage, short operating time, low construction costs, with excellent water vapor permeability, chemical corrosion resistance, insulation and aging resistance and other properties, is the ideal material for pipeline anticorrosion thermal insulation system. Among them, three layers of reinforced fiber type heat shrinkable tape (set) is in a layer of substrate, a layer of adhesive coating between a layer of reinforced fibers, adhesive strength and higher tensile strength, contraction faster, the effect is also better. Mainly used for oil and gas pipeline joints to fill the mouth of the anticorrosion, patching, can also be used for pipeline damage repair. This product is suitable for 3PE steel pipe, 2PE steel pipe, epoxy powder coating, thermal insulation pipe jacket skin and polyethylene drainage and sewage pipeline pipeline patching, patching.

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Feature
1.Fast shrinkage speed,
2.good waterproof performance,
3 good anti-corrosive performance,
4.long service life, convenient transportation and fast construction.

2. 3Layer Fiber

reinforced PE heat shrinkable tape (sleeve) is composed of cross-linked polyethylene back, a middle layer of fiber and special heat melt adhesive an. The 3 layer reinforced sleeve gives better shrink ratio, and better strength. It is resistant to corrosion, wear, impact, UV and aging, easier to be operated.
Application area:
It is mainly used for Hollow wall spiral pipe, corrugated pipe and metal reinforced corrugated spiral pipe etc.
The thermal shrinkable sleeve (belt) of Qingdao Huashida Machinery Co., LTD., the implementation standard: GB/T 23257-2009, NACE RP0303-2003, and passed the European Union certification, the maximum operating temperature: 60℃, the application of external anti-corrosion coating: PE, FBE, PP, steel pipe preheating temperature: 75℃, recommended rust removal grade: Sa2.5, product specifications can be customized and produced according to customer needs, with high mechanical strength, strong aging resistance, good environmental stress resistance, excellent bonding performance, easy to use and other characteristics.
TEST PROCEDURE
1. Clean the steel pipe and heat it by fire till over 80 ºC
2. Paint the steel pipe with Primer (mixed with A&B)
3. Fire heat the heat shrink sleeve, be attention to start heating from middle of the sleeve, but act from up and down, and gradually move from middle to two sides of sleeve, in order to drive air out of the sleeve, after finish heating, the good result is that there is about 1-2mm hot adhesive melt at the edge of sleeve.
Heat shrinkable sleeve (belt), as a heat shrinkable anti-corrosion material, is composed of radiation crosslinked polyolefin substrate and special sealing hot melt adhesive, special sealing hot melt adhesive and polyolefin substrate, steel pipe surface and solid epoxy coating can form a good bonding. It can be professionally used for corrosion protection of buried and overhead steel pipe welding joints and thermal insulation pipe repair, and can also be used for sealing corrosion protection of pipe flange connection parts. When the heat shrinkable sleeve (belt) is installed, the base material shrinks in the radial direction at the same time, the internal composite adhesive layer melts, tightly covers the patch, and forms a solid anticorrosion body outside the pipeline together with the base material, which has excellent wear resistance, corrosion resistance, impact resistance and good UV and light aging resistance.