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    Home > Coatings News > Paints and Coatings Market > The merits of water-packed colorful paint are enough to look at these points.

    The merits of water-packed colorful paint are enough to look at these points.

    • Last Update: 2020-10-15
    • Source: Internet
    • Author: User
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    Compared with other coating coating structure is very complex, the complete water coating contains primer layer, medium coating, main material layer, paint layer and other functional coatings formed by the composite coating, to judge the quality of a colorful coating can not rely entirely on the surface of a single workmanship, combined with a comprehensive examination of each process to reach the most accurate conclusion.
    primer and finish
    primer and finish is the two major surface coatings of water-wrapped multicolored coating, for the overall adhesion and protection of the coating plays a very important role, generally need to examine five major factors:
    1, adhesion: paint film on the substrate of the degree of firmness is adhesion, generally using the bait method, according to the degree of coating damage to determine the strength of adhesion.
    2, hardness: hardness mainly refers to the paint film against foreign objects when the resistance, the practice test to chinese pencil as the standard, to be able to cut through the hardness of the paint film as a critical hardness, the general paint film must reach at least HB hardness, excellent paint film can reach 2H hardness .
    3, fill: an important feature of primer is the ability to fill the exterior surface small holes, generally can be judged by comparison method. High-quality filling performance can effectively reduce the number of paint times of primers, saving materials.
    4, dryness: fingers touch the paint film feel sticky, but do not touch the hand can be judged as dry, and press the surface of the paint film, will not leave indentation or paint film damage, can be judged as finger pressure dry.
    5, yellow-resistant performance: yellow-resistant performance is actually refers to weather resistance, in alkaline finish or direct contact with the air, sulfur in the paint, benzene ring and other chemicals react, paint film prone to yellowing, shedding phenomenon, mainly to investigate the weather resistance time.
    coating in
    coating generally refers to latex paint standards, mainly to investigate stretching performance, aging resistance, brush resistance and alkali resistance to water and other properties.
    Main material layer
    main material layer refers to the water-wrapped water colorful paint color layer, the specific advantages and disadvantages can be examined from the following aspects:
    appearance: water-wrapped multi-colored paint is mainly used to imitate granite rock, from the appearance of the main investigation of colorist level, construction master spray gun level and material itself. The most important factor in considering appearance is the degree of simulation, which, unlike the original stone, naturally fails.
    construction: paint pay attention to three-part material seven division of labor, good construction is not good is in vain. Different manufacturers of material performance quality is different, some easy to construct some difficult to construct, labor-cost materials of colorful paint is certainly not high-quality.
    stability: water-packed colorful paint itself is unstable, different manufacturers for the shelf life of products are different, some large engineering volume, long duration of the project on the storage stability of colorful paint has special requirements, the general storage time of less than 2 weeks can be classified as inferior products.
    material consumption: water-wrapped colorful paint mainly rely on irregular scattering of color points to form granite effect, imitation stone patterns need the amount of the main material is also different, the average dosage is generally around 0.25-0.55. In imitation of the same pattern, the spray effect is basically the same, the smaller the amount of material used, the better.
    Colorful paint construction must note
    June-September is the peak season of water-wrapped multicolored paint construction, summer high temperature and high heat climate can make the outer wall colorful paint better film, and the sun time is longer, construction time is more adequate, the duration can be effectively shortened. Therefore, many buildings are chosen for summer to carry out the construction of water-wrapped colorful paint on the exterior walls. However, the construction of water-packed water colorful paint more test the construction team's construction process, in doing the construction of water-packed water colorful paint on the outer wall, the following four points will finally determine whether colorful water-packed water colorful paint can achieve the design effect:
    1, water package The drying and conjunctivation of water colorful coatings need to be carried out under certain temperature and humidity, different types of water-wrapped colorful coatings have their best film-forming conditions, water-wrapped water colorful coatings should be constructed under 10 to 35 degrees Celsius temperature conditions. Overheated summer weather can dry water-packed paint too quickly and affect the durability of water-packed paint.
    2, water-packed water colorful paint suitable construction humidity of 60-70, usually, low humidity is conducive to water-packed colorful paint film and improve the construction progress, but if the humidity is too low, the air is too dry, water-wrapped water multicolored paint solvent volatile too fast, water-milk water-wrapped water multicolored paint drying is also fast, will make the conjunctiving film is not complete, and therefore not suitable for construction.
    , the base surface temperature is too high, will lead to water or solvent evaporation too fast, so that the coating into a film is not good, affecting the quality of the coating.
    4, summer wind and large, high winds will accelerate the evaporation process of solvents or moisture, so that the film is bad, but also stained with dust, compared with lacquer workers, sunny weather conditions on the coating project is more important, poor coating conditions will make the coating project greatly discounted.
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