Shanghai Naju Spraying Equipment Co

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Technical parameters of high-pressure airless spraying machine
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First, extremely high coating efficiency. The spraying efficiency is as high as square meters per hour, which is more than twice that of traditional roller construction
Second, excellent surface quality. The spray coating is smooth, shiny, dense, and free of brush marks, rolling marks, and particles.
Third, extend the service life of the coating. High-pressure airless spraying can make the paint particles penetrate deep into the gaps in the wall, causing the paint film to form mechanical bite with the wall surface, enhancing the paint adhesion and extending the service life.
Fourth, it can easily conquer corners, gaps and uneven, difficult-to-brush areas
Fifth, it can save paint. The thickness of brushing is extremely uneven, generally in microns, and the paint utilization rate is low. However, airless spraying can easily obtain a coating with a thickness of microns, which relatively saves paint.
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b, >With economic development and changes in people's living concepts, it has gradually become fashionable in China to use paint instead of mosaics and ceramic tiles to decorate walls. Water-based latex paint has become the most popular interior and exterior wall decoration material due to its non-toxicity, easy cleaning, rich colors, and no pollution to the environment. But latex paint is a water-based paint with a very high viscosity. During construction, manufacturers generally have very strict restrictions on the dilution of the original paint with water, usually about 100%. Excessive dilution will lead to poor film formation, and its texture, scrub resistance, and durability will be damaged in different ways. The degree of damage is directly proportional to the dilution, and the greater the dilution, the worse the quality of the paint film. If the manufacturer's dilution requirements are strictly followed, the viscosity of the latex paint will be very high and construction will be difficult. Such as roller coating, brush coating or air spraying, the construction effect will not be good.
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b , >The principle of high-pressure airless spraying is to use a booster pump (usually a plunger pump) to pressurize the paint to about kilograms, so that the high-pressure paint is sprayed on the surface On the object, the result is the formation of a dense coating. Since paint atomization does not require compressed air from a compressor, it is called airless spraying. Since its invention in 2001, this spraying technology has been widely used in automobiles, airplanes, construction machinery, trains, ships, containers, etc. With the continuous development of architectural coatings, high-pressure airless spray technology is gradually used in the construction industry, such as the spraying of latex paint, oil-based paint, water-based paint, resin paint, floor paint, fire-retardant paint, etc. and gained popularity abroad.
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b , >The advantages are as follows:
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b , >Excellent surface quality. The paint sprayed on the wall forms a smooth and dense coating without any brush marks, which is incomparable with brushes and rollers.
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b , >. High coating efficiency. The spraying efficiency of a single operator is as high as square meters per hour, which is twice that of manual brushing.
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b , >, delay the life of the coating. High-pressure airless spraying machine uses high-pressure spray atomization to enable the paint particles to gain strong kinetic energy and penetrate into the pores of the wall, causing the paint film to mechanically engage with the wall surface, enhancing the coating adhesion and extending the service life. , the thickness of brush coating and roller coating is extremely uneven, the thickness is about microns, and the utilization rate is high. , corners and gaps also paint well. Because the paint spray does not contain air, the paint can easily reach these areas.
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b , >To determine the quality of latex paint wall construction, the following points can be examined:
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b , >. The surface effect is large The area is consistent in color and the coating is uniform.
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b , >. Latex paint walls with high scrub resistance can be wiped with a wet towel without losing powder. This is an important indicator of the life of latex paint. At present, the construction methods of latex paint are very backward, and brushes and rollers are generally used for construction. Resulting from this: , brush marks, hair loss, unevenness. B. The shiny latex wall becomes matte. C. The wall is seriously floured.
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b , >. The main reasons for the above are:
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b , >. Excessive dilution. Due to the high viscosity of latex paint, backward manual painting The brush was difficult to open and the brush marks were obvious, so it had to be diluted with water. Generally latex paints can be thinned, and their thinning can be as high as .
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b , >B. In order to prevent excessive dilution and sagging, glue is often added to latex paint. The above irregular work results have led to a decrease in the quality of the wall surface, and the adhesion, scrub resistance, and texture have been greatly damaged. In severe cases, matte paint can turn into shadowy white paint, low-gloss can turn into matte, and high-gloss can turn into low-gloss. Therefore, since you have chosen expensive high-quality latex paint, you certainly hope to obtain a high-quality wall coating effect. Why not learn from the successful experience of foreign latex paint construction and use high-pressure airless spraying? High-pressure airless sprayers can atomize high-viscosity latex paint to make your home look perfect. < bb: bb />

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