What are the permeable materials of the collecting well?

The permeable materials of the sump are as follows:

1. Ordinary permeable material: Porous concrete material made of ordinary crushed stones is pressed and molded, which is used for pedestrian walkways and squares in general blocks and is a general paving product.

2. Polymer fiber concrete permeable material: It is made of granite aggregate, high-strength cement and cement polymer reinforcing agent, mixed with polypropylene fiber, stirred, closely mixed and pressed. It is mainly used for paving sidewalks, squares, parking lots and other places in municipal and important projects and residential quarters.

3. Colored stone composite concrete permeable material: the surface layer is made of natural colored granite, marble and modified epoxy resin, and then pressed and compounded with polymer fiber porous concrete at the bottom layer. The product has gorgeous surface layer, natural color and stone-like texture. After being compounded with concrete, its strength is higher than that of stone, its cost is slightly higher than that of concrete permeable material, and its price is 1/2 of that of stone floor material, so it is an economical and high-grade paving product. Mainly used in luxury business districts, large squares, hotel parking lots and high-end villa communities.

4. Colored stone epoxy permeable material: The aggregate is made of natural colored stone bonded with imported modified epoxy resin and shaped by special process. This product can be prefabricated and cast on site, and can spell out various artistic figures and color lines, giving people a pleasing feeling. Mainly used in landscape engineering and high-grade villa community.