How to fix leaking pipe with tape

Pipe fitting sealing tape(PTFE tape), widely used in building fire protection construction and family bathroom and other pipe fitting sealing. At present, TEFLON TAPE is generally used in this sealing tape in the world. However, this product has certain deficiencies in sealing, such as the thickness and number of turns of the winding pipe fittings are not easy to grasp, require certain professional knowledge, and are inconvenient to use. The sealing of the heating tube requires not only a raw material tape, but also winding hemp silk and liquid glue, which is even more inconvenient to install.
The video of large-diameter pipe fittings winding hemp rope is as follows:

To solve these problems, we have invented a new type of patented water-swellable raw material belt. This product only needs to be wound 3-4 times on ordinary pipe fittings to achieve a good sealing effect, and it can also be used for secondary leakage repair when it is water-swelled. Enhanced sealing. Guaranteed to be watertight for 50 years. It perfectly solves these problems of insufficient TEFLON TAPE for ordinary raw materials.
The traditional raw material belt is used in this way

Our thread seal tape is used like this

After a pressure test several months ago, the pressure has not dropped at all and the seal is very good.