Paint knowledge | difference and usage of primer and finish

Core tip: when it comes to coatings, many people won't feel strange, but when it comes to the two main product categories of coatings, what's the difference between primer and top coat? I'm afraid not many people know about them Today, Xiangxiang Xiaobian will tell you about this knowledge What's the difference between primer and finish coat? First, the components of primer and finish coat are different The components of primer are resin, auxiliary agent, solvent and filler, while the finish coat is composed of resin, solvent, auxiliary agent and little or no filler; Second, there are different functions between them In the paint system, the primer is the first layer to be painted, which is the most important Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form It is a new type of coating, because of its own advantages and more and more known by people Let's introduce Akzo Nobel Powder coating Akzo Nobel Powder coating is a cost-effective coating solution, which can be applied to different kinds of products After the treatment of static electricity and fire baking, a tough and durable coating surface will be formed, with the least impact on the environment Since the introduction of this technology, powder coating has been able to continue to maintain the Paint Home News: speaking of paint, many people will not feel strange, but speaking of the two main product categories of paint, what is the difference between primer and finish, I'm afraid not many people know Today, Xiangxiang Xiaobian will tell you about this knowledge What's the difference between primer and finish coat? First, the components of primer and finish coat are different The components of primer are resin, auxiliary agent, solvent and filler, while the finish coat is composed of resin, solvent, auxiliary agent and little or no filler; Second, there are different functions between the two In the paint system, the primer is the first layer to be painted Its main function is to make the paint surface flat, thus supporting the surface paint, making the oil paint surface look fuller, reducing the cost of decoration, and saving energy at the same time The top coat is the last "gatekeeper" in the whole paint system It can reflect the luster, hand feeling, scratch resistance and other characteristics of the whole paint surface Therefore, the quality of the top coat directly determines the quality of the whole paint film The usage of primer and topcoat primer and topcoat belong to latex paint, usually they need to be used together When painting the wall, the primer is generally applied after the putty is completely dry Generally, the primer needs to be applied twice Because the wall has a relatively large paint surface, it is necessary to add some water moderately when preparing the primer, so that the primer can be evenly applied; However, the finishing coat generally needs to be painted on the wall three times, and it can't add too much water like the primer, because too much water will affect the feel, thickness and hardness of the paint film, so when painting the finishing coat, only a little water can be added at the last time About the difference between primer and topcoat and usage of the relevant knowledge for you to introduce here, I hope to help you! Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,