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Anonymous users2024-01-23Causes and solutions for water-resistant putty powder loss:
1. On the problem that water-resistant putty powder does not calender and peel off the powder.
Reason: The technical ratio is unreasonable, and the film-forming substances are missing in the putty.
Solution: Increase the proportion of glue (non-fiber) in putty, such as PVA polyvinyl alcohol powder, redispersible powder, other modified starch rubber powder, sodium bentonite water-resistant putty powder dropping problem.
2 On the problem of water-resistant putty powder falling off after calendering.
Causes: Lack of water-hardened or gas-hard cementitious materials, lack of film-forming substances.
Solution: Increase cementitious materials such as white cement or gray calcium powder, and increase the proportion of glue amount (non-fiber) in putty.
3 Regarding the problem that the water-resistant putty powder does not fall off the powder at that time, and the powder will fall off after a period of time.
Reason: Lack of film-forming substances in the putty, too much starch adhesive, and a long time will absorb moisture in the air and cause the product to pulverize.
Solution: The proportion of cementing materials in putty, such as PVA polyvinyl alcohol powder and redispersible powder, is mainly due to the unreasonable ratio of product technology and unreasonable construction process.
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