Introduction cementitious capillary crystalline (3) cementitious capillary crystalline waterproofing materials are made of Portland cement, quartz sand, specialty chemicals and other components of the active waterproof material. Under the guidance of the water, with water as the carrier, with strong permeability, transmission and capillary pores in concrete, filling, physical and chemical reactions take place to form a water-insoluble dendrite-like crystals polyurethane waterproof coating type, crystal and concrete structure was integrated into the overall closed waterproof layer, to intercept the water flow from any direction and the other direction of fluid flow and other erosion. Features 1, slurry cement-based active ingredients can penetrate the surface of the micro-crystalline polyurethane waterproof coating cracks, forming a dense waterproof layer. To cover small cracks polyurethane waterproof coating series, against a slight concussion; 2, construction in the wet base surface, without making a protective layer of mortar, tile, etc. can be directly attached to the follow-up process; 3, crystalline material deep in the end pores, impermeability higher compressive strength polyurethane waterproof coating specification, with the positive side and the back surface of the waterproof function; 4, non-toxic, harmless, can be directly used for drinking water pool and fish pond; 5, the coating has depressed the growth of mold, can prevent tidal salt contamination of finishes. Polyurethane waterproof coating manufacturers, long a source of waterproof material, polyurethane waterproof coating Ltd. Jilin provided by Weifang City for the source waterproof material. Weifang City for the source of waterproof material Ltd. (www.jiuyuanfangshui.com) Shandong Weifang, waterproof, moisture-proof materials, leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the long leading source of waterproof material with the staff warmly welcome all inquiries negotiations to create long waterproof material source a better future.