Heat Shrink Sleeve for insulation Pipeline Welding Joint Closure Anticorrosion Coating Repair
PE heat shrinkable sleeve is composed of cross-linked polyethylene back and special heat melt adhesive. Heat melt adhesive has good bonding with PE back, steel pipe, and Fusion bonded epoxy (FBE layer). By heating PE back shrinks, the adhesive layer melts, and closely wraps around pipe joints, then it forms together with FBE a firm and continuous anti-corrosion body. It is resistant to corrosion, wear, impact, UV, and aging, easier to be operated.
Application area:
It is mainly used for wrapping around the pipe, anti-corrosion of kinds of pipe joints, and repairing pipes.
For example Oil and gas pipe, PU insulation pipe, 3PE/2PE steel pipe.
Feature of our heat shrinkable sleeve:
1. Fast shrinkage speed,
2. good waterproof performance,
3 good anti-corrosive performance,
4. long service life, convenient transportation, and fast construction.
| NO. | Text Ite | Uni | Performance | Text Resul | Text Metho | |
| Adhesive | ||||||
| 1 | Softening Point | ºC | ≥90 | 90.1 | ASTM E28 | |
| 2 | Brittleness Temperatur | ºC | <-15 | <-15 | ASTM D2671C | |
| 3 | Lap Shea | MPa | ≥1.0 | 1.5 | ASTM D1002 | |
| 4 |
Peel Strength (23±2ºC |
Steel | N/cm | ≥70 | 145.6 | ASTM D1000 |
| Primer | N/cm | ≥70 | 205.9 | ASTM D1000 | ||
| PE layer | N/cm | ≥70 | 190.0 | ASTM D1000 | ||
| Non-solvent Epoxy Primer | ||||||
| 5 | Shear of cured primer | MPa | ≥5.0 | 12 | SY/T0041 | |
Specification of heat shrinkable sleeve for underground buried steel pipe and insulated pipe
| No. | Size, mm | Length, mm | Patch | |
| Length, mm | Width, mm | |||
| 1 | Ф159*500 | 670 | Length equals the width of heat shrinkable sleeve | 80 |
| 2 | Ф219*500 | 860 | 100 | |
| 3 | Ф273*500 | 1000 | 100 | |
| 4 | Ф325*500 | 1200 | 100 | |
| 5 | Ф355*500 | 1300 | 100 | |
| 6 | Ф406*500 | 1460 | 120 | |
| 7 | Ф508*500 | 1800 | 120 | |
| 8 | Ф610*500 | 2170 | 120 | |
| 9 | Ф711*500 | 2500 | 150 | |
| 10 | Ф813*500 | 2880 | 150 | |
| 11 | Ф1016*500 | 3480 | 150 | |
| 12 | Ф1219*500 | 4120 | 200 | |
| 13 | Ф1420*500 | 4780 | 200 | |
| Pipe Diameter, mm | Length, mm | Width, mm |
| DN300 | 1200 | 300 |
| DN350 | 1430 | 300 |
| DN400 | 1600 | 300 |
| DN450 | 1770 | 300 |
| DN500 | 1900 | 300 |
| DN600 | 2300 | 300 |
| DN700 | 2560 | 300 |
| DN800 | 2900 | 400 |
| DN900 | 3250 | 400 |
| DN1000 | 3600 | 400 |
| DN1200 | 4250 | 400 |
| DN1400 | 4940 | 500 |
| DN1500 | 5290 | 500 |
| DN1600 | 5630 | 500 |
| DN1800 | 6320 | 500 |
| DN2000 | 7010 | 500 |
| DN2200 | 7700 | 500 |
| DN2400 | 8390 | 500 |




Qingdao Huashida Machinery Co., LTD., founded in 2003, is a global developer, manufacturer and solution provider of plastic extrusion equipment. 70% of its customers come from overseas countries such as Europe, America, the Middle East and Southeast Asia.
Welcome to our factory to discuss cooperation!
Besides manufacturing machines, we also make Heat shrinkable sleeves and electro fusion sleeves and plastic welders, which are widely used as pipe joints and sealings of plastic drainage water pipes, PU foam insulation pipelines, 2PE/3PE oil and gas pipelines.


