
Still having trouble with the construction site? Budd fu helps you solve 4 real stone paint construction problems!
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- Time of issue:2018-08-10
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Still having trouble with the construction site? Budd fu helps you solve 4 real stone paint construction problems!
(Summary description)I believe that after some explanation, we have some understanding of the common problems of lacquer construction. Hope you can provide the valuable advice to BATF company, any questions can also contact us, we will be happy to answer for you.
- Categories:Company News
- Author:
- Origin:
- Time of issue:2018-08-10
- Views:0
Today, Badefu will bring you to share the knowledge of common problems in lacquer construction.
Many friends in the paint industry in the construction of real stone paint, there will be white water, yellow, serious sand and other phenomena. Don't worry if that happens. Here's Badefer.
Real stone paint white water problems
why
1, some emulsion manufacturers in order to improve the stability of the emulsion, the use of excess surfactant, the presence of these surfactants will greatly reduce the water resistance of the emulsion itself.
2, the amount of emulsion added is less, so that the real stone paint after drying the film is loose, not dense, the water absorption rate of the film is relatively large, and the bonding strength is low.
3, the use of too much hydrophilic additives in production, so that the water resistance of real stone paint becomes poor.
4, in the temperature is less than 5 degrees, relative humidity is greater than 80% of the environment construction, the film will be difficult to film, resulting in whitening phenomenon, dry in water after the film can not be restored.
The solution
1, in the selection of raw materials, the selection of stain resistance, water resistance, corrosion resistance is very good silicone modified pure acrylic polymer as a film forming substance, from the source to improve the water resistance of the real stone paint.
2, the amount of emulsion is moderate, to ensure that the construction of real stone paint can form a dense film, prevent the invasion of rain.
3, reasonable collocation of the use of various additives.
4, The use of BATF RS-9966A and RS-707, perfect solution to low temperature, high humidity water white problem.
Serious sand removal of real stone paint construction:
why
1, sand gradation is unreasonable, coarse sand is too much.
2, the amount of emulsion added is less, the bond is not strong.
3, the thin consistency of the coating will also cause sand and splash phenomenon when spraying.
4, construction reasons, such as improper selection of spraying pressure, spraying distance is too close, will cause serious sand.
The solution
1, reasonable sand gradation.
2, the amount of emulsion should be enough.
3, the real stone paint to the appropriate viscosity.
4, adjust the appropriate construction pressure, spraying distance control in 30-50cm.
True stone lacquer float color hair flower
why
1. The influence of basic PH, PH above 10, more prone to the risk of flowers.
2. Uneven thickness in the construction process is easy to cause hair phenomenon. In addition, too little amount of lacquer spraying and too thin film will also cause hair phenomenon.
3, stone paint with excessive water, low viscosity, floating pulp hair.
4. Excessive fine powder of real stone paint formula leads to uneven spraying.
The solution
1, strictly control the basic alkaline, if the basic alkaline is too high, can use anti-alkali sealing primer to do the bottom sealing treatment, to prevent the precipitation of alkaline substances.
2, strictly in accordance with the normal construction amount of construction, no jerry-building, the normal theoretical coating amount of real stone paint is 3.5 ~ 5.0kg/㎡.
3, real stone paint construction as far as possible without water or less water.
4, adjust the proportion of fine powder (100 mesh, 120-180 mesh stone powder in the formula system < 15%)
Real stone paint yellow
why
Manufacturers have used the yellowing resistance of styrene-acrylic emulsion as a binder, emulsion will decompose after solar ultraviolet radiation, precipitation of colored materials, and eventually cause yellowing phenomenon.
The solution
Choose pure acrylic emulsion: such as Badfu RS-707, improve yellowing resistance.
I believe that after some explanation, we have some understanding of the common problems of lacquer construction. Hope you can provide the valuable advice to badfu company, any questions can also contact us, we will be happy to answer for you.
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