302 Marble Crystal hard treatment agent

The product can be and marble of the chemical reaction of calcium and other ingredients, in the hard stone crystal layer formed on the surface protective layer, to increase the original marble surface hardness and brightness to restore the natural color of stone. At the same time the product after use does not affect the original stone permeability, non-toxic, tasteless, the Department of green products; be applied to any marble surface treatment, is the stone renovation and conservation of rare products.