High efficiency ceramic tile back glue 5Kg Ouerle high efficiency ceramic tile back glue is the fourth generation of water-based acrylic lotion ceramic tile back glue developed by Mariina, a chemical doctor from Germany Aachen University of Technology and Leibniz Research Institute of Materials, through continuous testing and improvement, with super adhesion, excellent freeze-thaw resistance, excellent permeability, water-based environmental protection, aging resistance, easy construction, and durable. The product will completely relieve consumers of the troubles caused by hollowing and falling off of products such as rock slabs, tiles, marble, and stone. Excellent bonding performance, water resistance and aging resistance, with particularly strong bi-directional flexibility, small hardening shrinkage, strong compatibility with cement-based bonding materials, and firm bonding; Has certain anti seepage performance; Durable to freezing and thawing.