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granite outdoor step
- Sep 30, 2017 -
There is also a commonly used by people on the inner wall of liquid wax water, which is a membrane material, its main disadvantage is the impact of natural texture stone. The emergence of permeable protective products is a major advance in the development and research of stone protection products, but the application time in our country is not very long. This product is mostly solvent or water for the media, will be some effective waterproof material to the inside of the stone. The formation of a deep protective barrier, water and some liquid pollution shut out.