When buying a wall paint, we will find that many wall paints are divided into primer and topcoat. The primer is used on the layer that is in contact with the wall, and the topcoat is on the surface. This simple distinction is possible for us. I know, but the price difference between primer and topcoat is not small. What is the difference between the two? Then you follow the renovated home network Xiaobian take a look at the role of primer paint, primer paint the difference between the content of it! The role of primer finish 1. The primer is the first layer of the paint system. It is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion function, etc., and at the same time ensure uniform absorption of the topcoat and make the paint system Play the best results. No matter how good the topcoat is, it needs to be primed first to improve adhesion, corrosion resistance, and alkali resistance. 2. Applying a layer of sealing primer before painting the topcoat can not only save the decoration cost, but also has the advantage of getting more and more with the primer in the long-term and decorative effect. At the same time, the good adhesion of the primer makes the wall smoother, making the topcoat easier to apply and reducing the amount of topcoat used. In this way, the wall surface avoids the paint disease and helps to maintain the paint effect for a longer period of time. 3, the top coat is the final coating of the coating, is the last layer of the building wall decoration, the overall effect after the decoration is reflected through this layer. 4, the topcoat is very high in material requirements, should have good color and brightness, should have good resistance to external conditions, must have the necessary hue and decoration, and have a protective effect on the undercoat. For topcoats used outdoors, paints with excellent weatherability should be used. The decorative effect and weatherability of the topcoat depend not only on the base used, but also on the pigments used and the formulation process. The difference between the topcoat primer: 1. Different composition: The primer consists of four parts: resin, filler, solvent and auxiliary agent; the difference between the topcoat component and the primer is mainly due to the fact that the former filler has little or no filler added. 2, play different roles: The primer is the first layer of the paint system. It is used to fill the lacquer surface, support the topcoat, provide fullness, reduce cost and save energy. The topcoat is the final coating of the coating, which is the last in the decoration of the building wall. The applied layer is used to increase the thickness of the paint film by increasing the number of coats of the top coat and thick coats. The thickness of the coating is mainly provided by the primer, while the topcoat mainly serves as a decoration and protection. How to use the primer finish? Primers and topcoats are latex paints, which are generally used together and have different effects. When brushing the wall, the primer can be brushed after the dried putty is dry. Generally, the primer is applied twice, and the topcoat is painted three times. Each time, the paint must be dried and brushed again. When brushing the primer, the wall should be painted a lot, and the primer should be added with a little water to ensure uniform coating. When brushing the topcoat, do not add excessive water, which will affect the thickness of the paint film, the feel and the hardness of the paint film. The last time you can properly dilute it. The above is the role of the primer topcoat, the detailed answer to the difference of the primer topcoat, I do not know if you are satisfied with the introduction of the decoration home network Xiaobian. If you want to know more about the exciting content, please continue to pay attention to our home encyclopedia! More related wonderful reading: Latex paint primer brand introduction, latex paint primer purchase tips Epoxy zinc-rich paint primer purchase tips epoxy zinc-rich paint primer characteristics What are the types of exterior primers? Exterior wall primer purchase tips What is the role of the outer wall sealing primer? Exterior wall sealing primer construction What is the difference between primer and topcoat? What is the difference between primer and topcoat? The difference between primer and topcoat Polypropylene Panels,Polypropylene Corrugated Sheet,Polypropylene Honeycomb Panels,Black Polypropylene Sheet Heshan Liantuo Engineering Plastic Co.,Ltd , https://www.liantuoplastic.com
