1. It has high flexibility, is heat-resistant, and has a Vicat softening temperature above 93 degrees. When there are problems with the cable, it is not easy to deform.


2. Expand the mouth and insert it. Place a high-temperature rubber ring at the connection point for sealing and waterproofing to cope with thermal expansion and contraction.


3. There is no need to inject concrete or support layers into the construction site.


4. It is lightweight, easy to install, has low construction costs, and significantly shortens the construction period.