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August 21, 2017，Anhui sinograce Chemical Co., Ltd held an event launching ceremony of “2017 Orange War” in Hefei Big Shu mountain. The purpose of this activity is not only to thank each employee through thick and thin with the company in the first half of 2017 and their hard to pay, but also providing a stage for the staff to full show themselves. Increase interaction in activities, prom...
Water-based wood paint resin is the main raw material for the production of water-based wood paint. It can be used as varnish, paint the bottom dual-use resin. It is widely used in water-based industrial wood coatings, water-based decoration coatings and other fields. Water-based wood paint resin is divided into water-based wood paint and oily wood paint. Oily paint consists of organic solvents. I...
The exterior wall stone paint of the building is really natural, after the paint is dry,it is like a real stone, and the colors are warm and natural, and the color is fresh and nice. Perhaps a lot of friends, for this anti-stone coating is not very understanding, so,will inevitably feel very strange, then this material really have these advantages? In fact, this anti-stone coating not only has the...
Baking performance of water-based glass paint - ask an expert for water-based paint. Question: I would like to ask about the water-based glass baking paint .Water has a boiling point of 100 degrees Celsius, so if you bake it at 140 degrees, it won't boil and bubble up and destroy the film. Right? Response: Water - based paint to balance the evaporation of water and film curing between the relation...
Wood bumps - Common problems with water paint Wood grain is exposed when broken or damaged wood comes into contact with water.A good example of this is when a curved toothpick is placed in water, it will draw water through the capillaries, elongate, and straighten.When the fibers on the board are exposed, they suck water into the wood like a straw, causing the fibers to swell and stick to the surf...
Problem：I have not done waterborne polyurethane, the waterborne paint is a rookie .I have never done water - based, water -based is a rookie，I wonder if waterborne polyurethane also needs curing agent? If you want to use it, what is the ratio?Because of the presence of water, is it possible to go back and consume the curing agent?And I want to use this to make the electroplated silver, is it ok? R...
Filming aids in waterborne coatings Problem : Why do you need to add filming aids to one-component waterborne coatings? The emulsion alone does not form a film. Filming aids are added to form a film. Why does the film-forming auxiliary volatilize, which is still a complete film, and is different from a film without a filming aid? Why can't a single emulsion be fused by water to produce a capillary...
Formation of shrinkage cavity problems in waterborne coatings The surface defects of the coating film are mainly depressions, pinholes, and the edges or thick edges of the corners. There are two kinds of cases on the surface of the coating film, one is a circular depression, and a hexagonal polygonal depression. The depression on the surface of the coating film is caused by the surface tension gra...
Application of water-based paint coating technology The Paint coating With water-based solvent: non-toxic, non-irritating, environmentally friendly, in line with modern people's fashion taste, convenient construction, good flexibility of paint film. Paint dilution and master the viscosity of the construction directly mixed with water. Advantages of water-based paint: One of the most environmentall...
Rheological AIDS provide a leveling effect under high shear conditions, allowing the painted fluid to level out as quickly as possible, reducing brush marks and avoiding spatter. However, as the drying time goes by, this leveling effect weakens and the film is fixed, which can prevent the fluid from sagging on the vertical surface. Rheological additives can be divided into high, medium and low she...
Cohesion and thermal expansion coefficient of paint film The force caused by the cohesion of molecules of the same substance is called cohesion.The more cohesive the coating, the worse the adhesion.In the drying process of paint, with the increase of solvent volatilization and crosslinking degree, the cohesion between film forming material molecules increases, the film produces shrinkage phenomeno...
1.The cause of a back adhesion： (1)the paste itself anti-viscosity, especially in the wet weather easy to stick back; (2)After the printing is completed, it is packaged without perfect heat treatment; (3)adjust the slurry formula is not appropriate, adding too much transparent slurry easy to cause back adhesion; (4)transport or storage conditions are not good, in high temperature, high humidity co...
The choice of solvent In the printing ink manufacturing process, in consideration of the overall solvent system of the ink volatility, to improve the printing ink solvent release and reduce the solvent organic solvent residue, the use of solvents are often several volatile mixed solvents.In the printing ink manufacturing process, the main organic solvents are toluene, butanone, cyclohexanone, ethy...
Printing mucilage requirements The requirements of printing mucilage for manual plate printing Manual table printing is to press the screen on the fabric of the table for manual scraping, and the pressure extrusion on the scraper will print the glue through the mesh hole of the pattern part to the fabric. The shear stress of the binder is small, so thePrinting mucilageis required to have good...
Solvent selection In the printing ink manufacturing process, considering the overall solvent system of the volatile ladder, improve the printing ink solvent release and reduce printing solvent organic solvent residue, the solvent used is often a mixture of several volatile solvents. In the printing ink manufacturing process, the main organic solvents are toluene butyl ketone cyclohexanone ethyl ac...
Water - based ink is composed of adhesives pigment additives and other substances such as uniform slurry material,Binders provide ink with the necessary transfer properties, pigments give ink color. Water-based ink linker is mainly divided into two types: water dilution and water dispersion.The former can be used in many types of resin, such as maleic acid resin lac maleic acid resin modified shel...
sinograce chemical
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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