Application of Precipitated Barium Sulfate in Kinds of Paints
March 13, 2022The most prevalent mineral in industrial production is barytes, which is made up of barium sulfate. Typically, barite is provided in the form of a crystal, such as tubular, which allows the barite to be gathered and shown in the shape of a rose. Furthermore, barite comes in a variety of colors, including pale white, light yellow, and others.
Barite powder can be used as a filler in the paint industry to increase film thickness, strength, and longevity. White paint made with lithopone pigment provides more advantages in interior use than lead white and magnesium white. Barite for the paint industry must have a high fineness and whiteness.
Barite is also used as a filler in the paper, rubber, and plastics industries, as it improves the hardness, wear resistance, and aging resistance of rubber and plastics. BaSO4 more than 98 percent, CaO less than 0.36 percent, and no Magnesium Oxide or lead are required for barite filler in the rubber and paper sector.
1. Coating with lacquer and a thick slurry
Because of its excellent filling properties, barite powder may be used in a variety of coating series, including all sorts of primers, thick slurry coatings, and more. It also has a low surface area, particle size division, and mobility, resulting in low wear resistance during processing. Even when high filling is maintained, barium sulfate is recommended for automatic primer surface layer. Smoothness and homogeneity are excellent.
2. Surface polishing
Barite powder outperforms most other fillers, particularly when it comes to chemical resistance coatings. Its inertness, insoluble in water, acid, alkali, and organic intermediation are all advantages. The topcoat is protected against long-term exposure due to its excellent gloss and tiny particle size. For topcoat, barium sulfate is recommended, since it can improve surface hardness, color, and stability.
3. paint with emulsion
Because of its weight, barite powder is suitable for latex paint. It’s a “acid resistant” emulsion paint that’s primarily utilized for high gloss and silk varnishes. Even when exposed to acids, it is resistant. The chemical characteristics of barite powder are enhanced by its dispersibility, optical activity, and ease of retention. High-gloss and latex paints can be made with barium sulfate.
4. Ink for printing
Barite powder is ideal for high-quality printing inks because of its low wear, high gloss, color stability, and minimal coacervation, as well as its mobility. For high rotation ink, barium sulfate is suggested.
5.Wood and paint products
Barite powder has low cohesiveness, light dispersion, and fine particles. It’s especially good for pigment topcoats, varnishes, spray paints, and other similar applications. According to the findings, barium sulfate is chemically and weather-resistant. Barite powder is used in powder coatings to improve gloss, fluidity, filling, and compatibility with various pigments.
Adhesives: Barium sulfate is ideal for adhesives, unsaturated polyester, and polyurethane systems because of its good rheological qualities, high filling, and chemical resistance.
Elastomer, seal: it’s ideal for elastic bodies. It is highly excellent for food and medicine since it has no heavy metal pollution or rubber harmful gas, and it can give stability and aging resistance.
Thermosetting body: Barite powder is inert, has good color stability, and may be combined with other pigments to achieve superior luster, mechanical qualities, and wear resistance.
Thermal conductivity and fluidity in thermoplastics can reduce injection forming time. To increase its strength, barium sulfate can be added as a nucleating agent.
6. Temperature stability and degree
Pigment: the whole color of the pigment can be maintained via light reflection.
Paper coating can improve the gloss and fluidity of the paper, such as in the case of white transparent color paper used in painting. Without sacrificing glossiness, titanium dioxide can be substituted by barium sulfate after a double preparation.