Brushing primer: polyurethane A, B groups were proportionally 1:1.5:2 and xylene (weight ratio) with stir, can be used. Use the scroll brush or paint brush dipped in glue evenly brushing the bottom surface of base color polyurethane waterproof coating, not too thin nor too thick, brushing amount of 0.2kg / m or so. After brushing should be dry than 4h, the next step is to carry out the operation. Features 1, slurry cement-based active ingredients can penetrate the surface of the micro-cracks crystalline form a dense waterproof layer. To cover small cracks polyurethane waterproof paint brands, against a slight concussion; 2, in the wet base surface construction polyurethane waterproof coating amount, without making a protective layer of mortar, tile, etc. can be directly attached to the follow-up process; 3, capillary crystalline material deep in the end hole, permeability higher compressive strength polyurethane waterproof coating, with the positive side and the dorsal surface of the water features; 4, non-toxic, harmless, can be directly used for drinking water pool and fish pond; 5, the coating has a depressive effect of mold growth , to prevent moisture contamination finishes salt. Polyurethane waterproof coating single group, long a source of waterproof material, Heilongjiang polyurethane waterproof coating Ltd. Weifang City for the source provided by 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.