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 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. Material Features: 1, one-component polyurethane waterproof coating ingredients, cold applied polyurethane waterproof coating usage, non-toxic, odorless, safe to use. 2, in the wet (no clear water) or dry surface of the base construction, high tenacity elastic coating. 3, waterproof polyurethane coating for wholesale masonry, mortar, concrete, metal, foam board, insulation layer has a very strong adhesion. 4, the construction safety, simple, short construction period. Polyurethane waterproof coating performance | long source of waterproof material | Sichuan 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.