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Grid cloth products are glass fibre products, and the composition of glass is silicate, which will be corroded and decomposed in an alkaline environment (cement mortar is alkaline). Therefore, qualified exterior wall insulation mesh cloth needs to be coated with alkali-resistant emulsion to have good alkaline resistance,which is the reason why the exterior glass fibre mesh cloth has alkali resistance. The use of alkali-resistant glass fibre mesh cloth on the exterior wall solves the problems of cracking, drumming, falling off and direct cracks between the wall and concrete walls, columns and beams caused by the shrinkage of the wall plaster layer.
During the preparation of mesh cloth, the outer surface is coated with self-adhesive, so that the mesh cloth has a certain viscosity and can be pasted on the surface of the insulation board. It is generally used to prepare wire foot anisotropy and interior walls.
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