3LPE coating pipe production line Joint PE Heat Shrinkable
Sleeve,solid and durable
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.
Translated with DeepL.com
| ITEM | Standard | UNIT | Data |
| Adhesive | softening point | ASTM E 28 | °C | 70-80 |
| shear strength | DIN 30 672 | N/cm | ≥100 |
| Basic | specific density | ASTM D792 | r/cm 3 | 0.935-0.96 |
| tensile strength | ASTM D638 | Mpa | 15-20 |
| Elongation at break | ASTM D792 | % | 350 |
| hardness | ASTM D2240 | ball | 48 |
| Heat Shrinkable Sleeve | peel strength | ASTM D1000 | N/cm | >150 |
| water-intake rate | ASTM D570 | % | 0.05 |
Some customers react that the product does not shrink, and the
contraction speed is slow
1, to consider whether there is a sequence error in the
construction baking process, such as horizontal baking will appear
similar phenomenon, should be longitudinal baking (above and
below).
2, the head and tail of the product is about 300-400 meters a
circle, due to the reason of irradiation dose, resulting in
irradiation dose is too large or too small, resulting in shrinkage
of the base material is too large or small, such a situation is a
very rare phenomenon.
Solution: The correct use of shrink belt construction method, pay
attention to observe the reaction when the shrink belt is baked and
broken, in exchange for another product to continue testing, if it
is really a quality problem, should immediately stop using, to the
manufacturer contact, replace or return.
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.
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.
