Wuxi shotcrete construction product introduction Concrete interface bonding agent is mainly used to treat the surface of concrete, aerated concrete, lime sand brick, etc., to solve the problem that the interface is not easy to bond, the plastering layer is empty, cracked, peeled, etc. due to the water absorption characteristics or smoothness of these surfaces, which can greatly strengthen the relationship between new and old concrete and between concrete and plastering mortar Adhesion; It can replace the traditional chiseling process of concrete surface and improve the plastering process of aerated concrete surface, so as to improve project quality, speed up construction progress and reduce labor intensity. It is an indispensable supporting material for modern construction.
Conform to DBJ/T01-40-98
? Clean the base course: use a wire brush to remove the dust, loose matter and oil stain on the concrete surface, and then use a soft brush to clean it.
? Prepare interface binder
? Add 2 parts of ordinary silicate cement (425 # or 525 #) and 1 building Medium sand (volume ratio) mixing.
? Shake the interface adhesive, open the barrel lid, and fully mix it with a portable mixer.
? Add the dry mixture into the interface binder liquid and stir it evenly. Interface adhesive: dry mixture=1:2 (weight ratio). Mix well to form a slurry for use.
3. Construction: use a brush or broom to dip in the interface bonding material and evenly brush it on the concrete surface, or use mortar spraying and choking spraying, subject to the coverage of the base course.
The next process can be carried out after the coating is initially dry (without touching hands or affecting the plastering).
