Exterior-wall crack-resistant putty powder
An anti-cracking putty and exterior wall technology, applied in the direction of filling slurry, etc., can solve the problems of wall cracking, endangering the normal living of residents, and weak adhesion.
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Embodiment Construction
[0006] Weigh 35% of cement by weight; 50% of sand; 15% of heavy calcium carbonate; 4% of hydroxypropyl methylcellulose; 3% of latex powder; Short Fiber 1.0% Composition
[0007] According to the above weight ratio, add them into the mixer one by one, fully mix and stir evenly. use
[0008] Before use, spray with water to remove all slack. The ratio of putty powder to water is about 1:0.5, stir until there are no particles, and let it fully dissolve and react into a paste. When using, first clean the peeling and stained wall surface, and then carry out construction after the surface layer is dry. Let the prepared materials stand for 5 to 10 minutes, and use a paint knife and a trowel to carry out construction. After hard drying, carry out the second, Three times of recoating, the thickness of each application should be controlled within 0.5mm, and it should be smoothed after one day. After hardening, the putty paint film has the characteristics of strong adhesion, good water...
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