What are the really stone paint coating off sand reasons

Off easily when it's really stone paint coating scrub sand, it is associated with the hardness of really stone paint coating, on the one hand and really stone paint construction environment and climate. If we just blindly, partial attention to these problems, and not as a system to maintain, it is difficult to solve the problem of true stone paint coating to sand. Fujian KeBao thinks, really stone paint coating hardness to the aggregate and the emulsion. Really stone paint very hard after coating is dry, really stone paint layer made of the aggregate. Nails are not scrape. If the ordinary stone paint in construction after three days of good weather conditions can still be a nail scratch, coating should be considered too soft, mainly because of the choice of the emulsion is not appropriate. When preparation really stone paint, construction personnel using the same emulsion and latex paint, really stone paint formulation emulsion levels were lower, film-forming exists when a large number of sand and gravel, coating is not quite close together. KeBao coating is pointed out that after coating the researchers' research, really stone paint used in the preparation of emulsion adhesive strength should not be less than 3 mpa, the minimum film-forming temperature should not be below 15 ℃. Higher minimum film-forming temperature may cause when the air temperature is low is not easy to film defects, this can be achieved by adding more appropriately film additive to solve. Film forming additive in completely volatilize after coating is dry, generally will not affect the performance of the coating. Really stone paint with high adhesion, high minimum film-forming temperature of composite emulsion, fundamentally solve the problem of the coating is too soft. The reason why really stone paint waterproof - — Natural really stone paint manufacturers to explain to everybody: 'can be divided into oil and water, alkali resistant primer used in different types of grassroots. Primer seal is used in the solvent ( Or water) Volatile after the primer of polymer and fillers to leach into the primary porosity, capillary porosity on the surface of the plug at the grass-roots level, make the base surface has better waterproof performance, eliminate grassroots basification and frosting phenomenon caused by the moisture migration, at the same time increase really stone paint adhesion between coating and base, avoid spalling and osteoporosis.