Paint knowledge | summary of wall paint purchasing skills

Core tip: wall decoration is the focus of home decoration With the increasing awareness of home decoration safety, people pay more and more attention to the safety of building materials As a large area of wall paint used in the home, and in direct contact with people, the consideration of its safety can not be ignored naturally, so how to choose safe and healthy wall paint? First, understand the pollution composition To choose healthy wall paint and choose healthy materials, the first thing we need to know is the ingredients that affect the health of the product, and the choice of wall paint is no exception Good wall paint is not only reflected in the performance indicators, but also in the environmental protection of the ingredients VOC composition VOC composition refers to the volatile in the wall paint Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Paint Home News: wall decoration is the focus of home decoration, with the gradual strengthening of the awareness of home decoration safety, building material safety is more and more valued by people Wall paint is widely used in the home, and it is in direct contact with people, so the consideration of its safety can not be ignored naturally, so how to choose safe and healthy wall paint? First, understand the pollution composition and choose healthy wall paint To choose healthy materials, the first thing we need to know is the ingredients that affect the health of the products, and the choice of wall paint is no exception Good wall paint is not only reflected in the performance indicators, but also in the environmental protection of the ingredients VOC component VOC component refers to the content of volatile organic compounds in wall paint, mainly formaldehyde and benzene When purchasing paint, the lower VOC content means the less harmful components Therefore, try to select wall paint with low VOC content Heavy metal components in wall paint can not be avoided, but it is also necessary to choose products with low content Generally speaking, compared with light color wall paint, bright color often contains more heavy metals, so in family decoration, more simple color system wall paint will be more conducive to health 2、 Paying attention to the product performance index, choosing high-quality wall paint product performance is the most intuitive embodiment of product quality Choosing wall paint with high cost performance is also an important guarantee for wall decoration effect Covering power the covering power of wall paint directly affects the color uniformity of the wall after painting The covering power unit of the product is generally expressed in g / ㎡, that is, the amount of paint required to completely cover an area of 1m2 The smaller the amount of paint used per unit area of the wall paint, the stronger the covering power Adhesion the adhesion of the wall finish refers to the adhesion between the film and the base course When the paint is applied, the physical and chemical forces are used to combine the film and the primer, while the wall paint with poor adhesion is easy to fall off in wet or large temperature difference environment, affecting the overall beauty of the room Viscosity viscosity is a very important index in the performance judgment of wall paint A good wall paint is neither too viscous nor too thin as liquid It can be evenly adhered on the wall to form a film without caking and falling marks The viscosity of the wall paint also directly affects the aesthetic degree of the whole decoration The viscosity measuring instrument of the paint can be used to measure Fineness fineness refers to the size of particles in the wall paint and the degree of even dispersion, usually measured in microns The higher the fineness is, the coarser the wall paint is, the concave convex phenomenon of the wall may appear in the painting, and the lower the fineness is, the better the quality of the wall paint is, and the higher the price is The above is about the introduction of wall paint, hoping to help you choose wall paint! 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