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The most important difference between non-stick cookware and ordinary cookware is that the surface is coated with a layer of non-stick paint, and the Teflon non-stick cookware commonly used on the market is to coat the main raw material of fluorinated resin such as polytetrafluoroethylene coating on the metal surface such as aluminum, copper or iron, and through sintering. Properties of NI-PTFE co...
First: the treatment of the substrate First, the substrate (aluminum, stainless steel or other metal substrate) is baked at high temperature (360℃×30 minutes ~380℃×10 minutes) to carbonize the grease or degreaser cleaning for the first step of degreasing. Step 2: Roughening the surface Available corundum sand 80#~120#, pressure 0.4~0.6mpa, sandblasting, so that the surface roughness of the substra...
In the face of different needs of different industries, rollers also need to do the corresponding coating treatment, so as to improve or compensate the relevant performance of the roller. So what are the surface coating technologies for rollers? 01 Coating treatment The coating treatment of the drum includes zinc plating, chromium plating, nickel plating, etc. The different coating treatment can i...
Teflon is the abbreviation of polytetrafluoroethylene, this material has the characteristics of acid and alkali resistance, resistance to various organic solvents, almost insoluble in all solvents, so it has the title of "non-stick coating". With the development of thermal spraying technology, Teflon coatings can be applied to stainless steel, copper, aluminum, magnesium and various alloy metal ma...
Main properties of Teflon coating Teflon high-performance special coating is a fluorine coating based on polytetrafluoroethylene matrix resin, the English name is Teflon, because of the pronunciation, it is usually called Teflon, Teflon, Teflon, Teflon, etc. (all are translations of Teflon). Teflon coatings are a unique, high-performance coating that combines heat resistance, chemical inertia, exc...
Many people see that a lot of Teflon coatings used in industry are green, especially when used in molds, let's talk about the reasons. The use of coating characteristics In extrusion or die casting products, generally dark, for example, rubber, silicone and so on, if the coating is made of dark, then whether the coating falls off is more difficult to see. Therefore, made of light color and with br...
People often ask, how long can you spray Teflon paint on the mold? How many molds can you take off? To answer the question about the life of Teflon paint, it is necessary to first explain what factors affect the life of Teflon paint. There are three main factors that affect the service life of Teflon coatings. First: coating formula 1.The primer resin content is too low In popular terms, the ...
Teflon coating is one of the commonly used protective coatings in metal thermal spraying processing technology services, with good non-stick, wear resistance, corrosion resistance, high temperature resistance and other characteristics, can be applied to carbon steel, stainless steel, aluminum, copper, magnesium and various alloys and other metal materials. It can also be applied to non-metall...
Many people think that the temperature of the primer baking (dry) of Teflon paint is not important, just bake it, in fact, this is a misunderstanding. If you usually encounter the following situations, please carefully bake the primer. For the primer coating of Teflon paint, we recommend a temperature of 150 ° C, after the workpiece reaches 150 ° C, bake for 5-10 minutes. I. If the temperature of ...
Due to the hydrophobic properties of waterborne polyurethane resin, it is difficult to dissolve in water or disperse uniformly, and the high reactivity of isocyanate groups to water, the direct synthesis of waterborne polyurethane faces many challenges. Therefore, to achieve the preparation of waterborne polyurethane, the primary strategy is to cleverly integrate hydrophilic functional groups (suc...
Water based polyurethane emulsion has soft properties, so that it has good adhesion when attached to the surface of the object; At the same time, it can maintain a certain strength and does not crack. It is especially suitable for articles in high temperature, humid and chemically corrosive environment. This substance also has superior wear resistance and film smoothness, so it can form a uniform ...
Waterborne Polyurethane (WPU) is a polyurethane system using water as a solvent or dispersion medium. In recent years, with the increasingly strict environmental regulations and the improvement of people's environmental awareness, waterborne polyurethane, as an environmentally friendly material, has received extensive attention and research. First, the characteristics of waterborne polyuretha...
1.Touch optimization: the pursuit of softness and fullness In view of the frequent skin-to-skin contact of fabrics, the primary goal of the design of waterborne polyurethane coatings is to achieve soft touch and full form. This requires us to carefully balance the ratio of hard and soft segments in the formulation adjustment, while carefully selecting the types of both to ensure that the coating r...
Most coatings are composed of a base material (one or more resin mixtures), pigments (including physical pigments and functional pigments), solvents and some small amounts of additives and other coating raw materials. In the production of coatings, after the selection of various coating raw materials necessary for coating components, the next is how to make reasonable use of the technical and econ...
Before the textile coating, it is necessary to pretreat the textile surface to ensure the adhesion and quality of the coating. Common surface treatment methods are: cleaning, degreasing, polishing and so on. Cleaning can be done with hot water or solvents, degreasing can be done with alkaline or acid degreasing agents, and polishing is done by mechanical removal of surface hair. The choice of coat...
First, emulsion resin Emulsion resin refers to resin particles suspended in water, which is widely used. There are many different emulsion resins on the market, such as polyurethane, acrylic, etc. They have the characteristics of strong adhesion, fast drying, etc., suitable for various printing and coating fields. Second, solvent-based resin Solvent-based resins should pay attention to environment...
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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