BAYD all-purpose anti-alkali primer is an acrylic primer that can effectively protect latex paint from the attack of chemical substances inside the wall. It has excellent anti-alkali performance and is one of the essential products for wall painting. It is suitable for painting indoor and outdoor brick walls, cement walls, gypsum boards, asbestos boards and other surfaces. When used with BAYD series topcoats, it can comprehensively enhance the major functions of the topcoat and achieve an ideal painting effect.