This product is used to deal with the concrete, aerated concrete, sand-lime brick and fly ash brick surface, Tengu card interface agents solve living Smooth find some surface water absorption is too strong to cause the interface is not easy bonding, gray layer hollowing, cracking, spalling and other issues. Fake due to appear on the market, please give us the manufacturers call. The Nintendogs card interface agent commonly used in the concrete surface, because the concrete surface is too smooth. The grassroots level through the use of this product, you can surface becomes rough, increase the bond strength of the grass-roots level, to avoid empty muster shell of plaster layer, in order to replace the artificial chiseling process. Has strong permeability, to fully soak into the surface of the layer material, to improve the new wipe the putty and the absorption edge of the base materials increase bonding capacity. Brushing directly used in the material back, specific, depending on the material. Tengu card interface agent performance indicators: