What are plastic rebar chairs and their advantages?

Jun 06 2019
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The rebar chairs,its full name called the plastic rebar chairs, and its main function is bracing reinforced steel bars,control the spacing of the reinforced steel bars and the thickness of the protective layer in the concrete. 

The utility model overcomes the disadvantages that the cement block is fragile, difficult to transport and high cost; it avoids the easy escape of the mold during the concrete pouring process, and the fixing of the steel bar is not strong, and the common unevenness occurs when the template is removed;It solves the problem that the concrete is easy to produce engineering hazards due to small cracks, and the quality of the project cannot be guaranteed. 

It is used in buildings, roads, bridges, tunnels, airports, subways, etc.