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Water-based varnishes are classified as eco-friendly products; the primary solvents used in their formulation are water and various alcohols, ensuring that their volatile components do not pollute the environment. The development of water-based varnishes has gained momentum in recent years, driven by the growing public demand for environmental protection. The process of applying varnish essentiall...
In flexographic printing, the performance of waterborne polymers and resin systems directly affects ink stability, color consistency, adhesion, and production efficiency. Traditional water-based inks may cause anilox roller clogging during long production runs, leading to unstable ink transfer and interrupted printing. In comparison, UV flexographic inks cure instantly under UV light, helping redu...
When choosing coated work gloves, customers often focus on grip patterns, coating color or glove thickness. However, the performance of a dipped glove also depends greatly on the latex material used in the coating formulation. A good coating should remain attached to the knitted liner, bend easily with hand movement and withstand repeated contact during daily work. If the coating is too rigid, the...
If you are looking for water-based acrylic emulsion for adhesives, coatings, inks, textiles or packaging, here is what you should know. Water-based acrylic emulsion is widely used in modern industrial formulations because of its good film-forming performance, adhesion, transparency and environmental advantages. As more industries move toward water-based and low-VOC solutions, acrylic polymer emuls...
In packaging and label printing, a good printed surface is not only about bright color. It also needs to stay firmly on the substrate during rewinding, cutting, lamination, transportation and daily use. Some common problems are familiar to many ink manufacturers and printers: ink peels off after tape testing, the printed surface is easily scratched, color becomes uneven, or the ink layer loses str...
A fabric coating may look smooth after drying but develop cracks, whitening or peeling when the material is stretched or folded. In many cases, the problem comes from the balance between film hardness, adhesion and elasticity. The film is too hard A hard coating film can provide good surface strength, but it may not be flexible enough for stretch fabrics. When the fabric moves, the coating must mo...
Adjusting a water-based acrylic resin formulation is rarely as simple as adding one new material. For example, increasing resin hardness may make the coating film more brittle. Reducing the glass transition temperature can improve low-temperature film formation, but it may also reduce heat resistance and blocking resistance. Increasing the amount of hydrophilic groups may improve emulsion stabilit...
Waterborne polyurethane dispersions, commonly known as PUDs, may appear milky white, translucent, or slightly bluish in the liquid state. This difference is mainly related to particle size, particle size distribution, and how strongly the dispersed particles scatter visible light. In general, milky dispersions scatter more light, while finer dispersions allow more light to pass through. However, a...
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Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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