The dam bag
Rubber layer is usually distributed in the outer layer of the dam bag, middle and inner, play the effect of the layers of rubber.
The outer layer rubber:
Because floats in the river is more, our company adopted the abrasion resistance, resistant to sunlight, heat resistant, resistant to ozone and other performance of the special rubber.
The middle rubber:
Protecting canvas rubber layer, directly connected to two or more layers of canvas, giving good stick and sex between rubber and canvas.
The inner layer rubber:
In addition, protect the function of the canvas has high water tightness and air tightness.