Refuse to drop powder putty "hold makeup strategy"

Putty batch scraped solid, the wall is flat, white, looks pleasing to the eye. However, with a touch of the hand, but found that wiped a hand of white powder, just like a hand of chalk. What's going on here?
do putty drop powder?
01 grass-roots water absorption rate is too high
If the grass-roots water absorption rate is too high, and scrape putty before scraping, did not treat it, then the grass-roots easily sucks away the moisture of the putty layer, resulting in putty drying too fast, the appearance of powder .
02 stirring is uneven
in this case, additives and other materials can not play its role properly, and this may be the reason for putty powder drop.
03 Environmental problems
If the construction of high ambient temperature, dry weather, on-site ventilation is too good, it is also easy to absorb moisture from the material, resulting in putty powder.
04 Putty batch scrape thin
batch scraping, if the scrape is too thin, will also lead to putty water preservation is not good, and this is one of the common reasons putty powder.
05 pressurized light time problem
after construction, if putty press time is not well mastered, the table dry and then press polishing, it is easy to lead to putty powder problem.
06 Product quality problems or shelf life
Of course, the quality of the product itself problems will also cause putty layer late powder, such as product expiration or improper storage, after moisture absorption of active ingredients can not play a role, there is a substantial decline in bonding force, strength is not up to standard and so on. It is recommended to use the wall N09 interior wall universal putty, bonded well, easy to polish.
you prevent putty layers from dropping powder?
the next process, touch the putty layer of the wall, the wall easily drop powder, indicating that the front has appeared putty powder phenomenon. If the putty powder drop phenomenon is serious, you can not brush the wall paint, or paste wallpaper and other next steps. Otherwise, even if you brush the wall paint, the paint will be bulging off the skin.
, how do you prevent putty layers from dropping powder?
, to ensure the water content of the grass-roots.
for the grass-roots drying situation, before the construction can be rolled to apply a wall reinforcement, to ensure the water content of the grass-roots.
, pay attention to the batch scraping method.
summer or high temperature strong wind climate conditions, should first wet the wall with clean water, the surface without clear water can be scraped putty, and batch scraping thickness in accordance with the recommended thickness of packaging for scraping.
again, pay attention to the construction environment.
windy weather, it is recommended to close small doors and windows to reduce air circulation on the surface of the product dehydration powder.
, pay attention to the techniques used.
use of putty powder should be fully stirred evenly, and polishing to master the appropriate polishing time, the best polishing period is putty surface watermark disappeared.
should I deal with the drop powder when putty appears?
if there is a mild drop of powder, you can use a wet towel to remove the floating ash, and then use reinforcement for interface processing and then scraping can be.
if the powdering situation is serious, it is recommended to use reinforcements for interface treatment and then scraping.
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