BAYD odorless primer is a high-end, high-quality water-based primer for interior walls, suitable for masonry structures, concrete, cement pressure plates, gypsum boards and other surfaces. Its excellent alkali resistance can effectively prevent the wall from blooming due to alkali seepage. When used with the odorless series of topcoats, it can comprehensively enhance the various functions of the topcoat and achieve an ideal painting effect. The newly added environmental odorless formula makes the product more environmentally friendly and fresher.