- Dam bag tape by the tension reinforcement to withstand the dam bag canvas and protection canvas and to ensure airtight rubber layer。

- Rubber layer is usually distributed in the dam bag outer, middle, inner, to be effective the layers of rubber.

Outer rubber:

- Since the river floating more, the company has adopted a wear-resistant, sunlight, heat, ozone and other properties of special rubber.

Middle Rubber:

- Direct protection canvas rubber layer or multi-layer canvas of two connecting role, between the rubber and canvas to give better adhesion and resistance.

Inner rubber:

- In addition to protecting the canvas of function, but also has a high water tightness and air tightness.