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Stone due to irrational packing, stacking and transportation in the event of rainy days or contacts with the outside of the water, wrap the rope easily contaminated with a stone, causing pollution of straw yellow, the other, because after the installation of stone the impact of water, stone minerals within a chemical reaction, vomiting yellow surface phenomenon often occurs, in which case, the use of solvent-based waterproofing agent to the above problems can be solved, and then later as a protective stone products Polymer Protectant treatment can effectively prevent the recurrence of vomiting yellow produce.
