Dongchun A8 back coating is a one-component environmental protection product, which is easy to use, has excellent bonding performance, waterproof, anti-aging, and has super bonding effect. It is the most ideal product for pasting wall and floor tiles, mosaics, marble, natural stone, etc.1. The construction temperature is 1-38℃; 2. Keep the surface to be bonded clean and dry, and avoid working in rainy days; 3. Avoid the glue flowing on the front of the sticky object, which is difficult to clean; 4. Do not splash the glue into the eyes, if necessary, rinse with clean water in time, and seek medical attention immediately if unwell; 5. This product does not need to add water, it can be used directly after opening and stirring; 6. 1kg can be used for 10-14 square meters.Indoor and outdoor, it is suitable for smooth renovation after the removal of the frame horizontal plate; Low water absorption vitrified tile, antique tile, cultural stone, polished tile, artificial stone, natural marble; Porcelain on the wall, paving the ground; Prevent the exterior wall paint from cracking and turning yellow; the old wall is refurbished and waterproof and anti-shedding.Base surface treatment: The base surface should be kept clean, firm, no oil stains, no batik, no dust, no loose objects, etc. Construction requirements: apply the product on the back of tiles, mosaics, marble, and artificial stone; apply cement after it becomes transparent; construction is prohibited outdoors in rainy days.