Nowadays there are many paints and paints in the market, but we are now more pursuing products with less damage to the body. Dry powder coatings are one of them. Dry powder paints have the same decorative effect as modern universal architectural paints, but they have more High cost performance. After subsequent research found that it can be widely used in various industries, but also become a frequently used decoration materials, and here we all want to ask what are the dry powder coating formulations and dry powder coatings which brand is good, let's look at Let's see it.
Dry powder coating
Dry powder coating is cement-based inorganic cementitious material, redispersible polymer resin powder as filming auxiliary, composite inorganic filler and pigment. It is a combination of inorganic and organic cement-based modern new building decoration materials.
Dry powder coating is mainly composed of hydration products (cement stone) formed by the reaction of cement and water, and can be used to provide near-ideal performance for the thin coating with the addition of dispersed powder polymer resin powder. Hydration of cement requires the presence of moisture, while dispersed polymer powder is formed by water loss. When moisture is lost, the film formed by the polymer powder covers the micropores on the surface, preventing excessive moisture loss, and the retained moisture can be used for further hydration of the cement.
The polymer forms a film in a dry environment, while the cement cures and hydrates in the presence of water. The combination of these two systems produces the best physical and mechanical properties of the coating. The polymer also brings better surface properties to the powder coating, which not only improves the contamination resistance but also preserves the original air permeability of the pure inorganic coating. The colored dry powder coating can be hardened under high humidity or rainfall. The coating film has excellent adhesion and scrubbing resistance, and has good weather resistance. It can be applied to the interior and exterior walls of new and old buildings.
Characteristics of dry powder coating (for example, JF dry powder coating)
1, woven bag packaging, convenient transportation, safety, low cost, easy to use, storage period and long shelf life.
2. When used dry powder: Solvent = 55:45 to form alcohol-based or water-based paint or quick-drying paint, strong adaptability.
3, has a unique performance, the use of imported raw materials, with dispersion, suspension, strong adhesion, alcohol ignition, water-based drying, the same strength.
4, in order to adapt to the white model of EPS, JF dry powder coating added air-entraining fiber, so that it has a better breathability.
5, JF dry powder coating gas volume is small, high temperature stability.
6, JF dry powder coating is not flammable, explosive, good stability, just moisture can be.
Dry powder coating classification
There are many types of dry powder coatings, different proportions, and the effects of dry powder coating locks are not the same. Nowadays, JF-1400 dry powder cast steel coatings are commonly found on the market. They are roughly divided into graphite, alumina, and quartz sand types. JE-1200 dry powder coating, it can meet the effect of high heat storage, is the lowest nano-scale refractory material, there is a special coating of JF-1000 dry powder, mainly by the metal coating and non-ferrous metal coating, so everyone is in need of Be sure to buy your own.
Dry powder coating ratio
After we buy the paint, we have to match it, but we also need to prepare some auxiliary materials. The most common auxiliary materials are heavy calcium, high calcium, high gloss adhesive, white latex and so on. For example, the coating formula for tempered crystal porcelain is to use 40 kg of gel, 20 kg of hydrated lime, 5 kg of wollastonite powder, 10 kg of talcum powder, then paint all the dry powder over 100-120 mesh and then combine them together. Evenly mix the dry powder coating and finally scrape it onto the wall with a steel blade.
Which brand of dry powder coating is good
AkzoNobel, Akzo Nobel, Netherlands: Levi Paint
AkzoNobel is the world's largest paint manufacturer and most of its business is in a leading position. Its products include decorative coatings; industrial applications for products, including powders and specialty coatings; automotive refinishing; marine, protection and aerospace coatings; and coating-related products such as wood and construction adhesives.
Henkel (Germany): Henkel Coatings
Headquartered in Düsseldorf, Germany, Henkel employs 53,000 people worldwide. Among all companies headquartered in Germany, Henkel is one of the most international multinational groups in the global market. Consumers in about 125 countries around the world trust Henkel’s brands and technologies. Home care, personal care and adhesives, sealants and surface treatments are Henkel's three strategic business areas. Around these three strategic business areas, Henkel has established three global business units: detergents and home care, cosmetics/beauty products and adhesives technology. Businesses in 125 countries around the world.
Sherwin-Williams Sherwin-Williams: Sherwin-Williams
The US Sherwin-Williams company is headquartered in Cleveland, Ohio. Since 1866, it has been producing and providing high-quality coatings to the world. It is widely used in architectural decoration, roads and bridges, industrial maintenance, vehicles, ships, and aerospace fields. For more than one hundred years, Sherwin-Williams Company has established a product standard that has not been surpassed for more than 100 years through a series of major mergers and new product development, making it the largest professional paint manufacturer in the United States with the most complete product range. And the global paint industry leader. Sherwin-Williams Corporation has 2,700 self-owned stores in the United States and has established manufacturing facilities, distribution centers and experimental research centers throughout the world. Sherwin-Williams also provides various paint products to the market through distributors, wholesalers and building materials supermarkets.
BASF Coatings Germany: BASF Coatings
BASF is the world's leading chemical company and its products include chemicals, plastics, coating systems, dispersion, agricultural products, fine chemicals and crude oil and natural gas. BASF produces and sells high quality automotive coatings, automotive refinishes, and industrial and decorative coatings. When it comes to automotive coatings, BASF Coatings ranks among the top three in the world. Its industrial coatings, the company focuses on coils, metal foils, liquid and powder coatings. BASF architectural coatings activities are located in Europe and South America. BASF Coatings provides interior and exterior applications of architectural coatings, as well as exterior insulation systems.
Dry powder coating construction process
The dry powder coating is widely used. What is the construction process of dry powder coating? Let's talk about it.
1. After the construction of the insulating wall-cloth-slurry protective layer, do dry powder coating within 24h-48h.
2. After the cement mortar wall surface construction for 3 days, do dry powder coating; at the same time, do not crack the cement mortar.
3, if the base surface should be dry
4, dry powder coating ratio: dry powder coating: water = 100:20 (weight ratio)
5. There must be someone responsible for deploying dry powder coatings.
6. The amount of water for dry powder coating is strictly adjusted according to the requirements, and not much water is added to avoid causing color difference. After the ingredients are used up within 1h.
7, water for drinking water.
8, after the water is weighed, add all the ingredients into the barrel, pour about 3/4 dry powder coating, stir it evenly with a portable agitator (less than 380 rpm), then pour into the remaining dry powder coating, stir well, Allow to stand for 10-15 minutes, then stir again and use it for about 1 minute.
9. The construction of dry powder coating requires smooth formation and uniform distribution of the napped points. Each partition is made from left to right with a batch of continuous slicked and napped surfaces. The sliver is pulled in the same direction and the napped trowel is used. Special dry powder coating should be used around the window bladder.
10, dry powder coating construction should be divided into lines, to prevent joint marks, affect the decorative effect, sub-line method: a. In the cement mortar base surface ink line, with a toothless saw hit the sub-grid groove width of 20mm, deep For 15-20mm, or when the mortar wall surface is wiped, the partition joints are made directly. b. Insulation base EPS board is pasted and grooved in the EPS board. c. After the cement mortar base or insulation base surface construction, according to the figure elastic line, with self-adhesive tape, wipe dry powder coating, pull the hair after the self-adhesive tape removed, dry powder coating after drying, along the edges of dry powder paint on it Stick self-adhesive dry powder coating, remove the self-adhesive tape after pulling, and perform joint processing.
Summary: What are the dry powder coating formulations and what brand of dry powder coating information is good for everyone to introduce here, I hope this article will be helpful to everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.
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