Coating knowledge: pay attention to these technical indicators when purchasing interior wall coating

Core tip: Nowadays, more and more consumers will choose interior wall coating to decorate the wall when they are decorating When choosing interior wall coating, we should not only pay attention to prevent formaldehyde from exceeding the standard, but also understand and pay attention to some technical indexes Contrast ratio the contrast ratio of coatings is an important index to measure the covering ability of white and light colored coatings The contrast ratio directly reflects the covering power of the paint The covering power is low, and the relative amount of emulsion paint will increase Low temperature stability low temperature stability is to measure the antifreeze ability of coatings when they are used at low temperature The solid content of emulsion paint is generally 45% - 50%, that is to say, half of it is water, so the water in emulsion paint is at 0 ℃ Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: Nowadays, more and more consumers will choose interior wall paint to decorate the wall when they are decorating When choosing interior wall coating, we should not only pay attention to prevent formaldehyde from exceeding the standard, but also understand and pay attention to some technical indexes Contrast ratio the contrast ratio of coatings is an important index to measure the covering ability of white and light colored coatings The contrast ratio directly reflects the covering power of the paint The covering power is low, and the relative amount of emulsion paint will increase Low temperature stability low temperature stability is to measure the antifreeze ability of coatings when they are used at low temperature The solid content of emulsion paint is generally 45% - 50%, that is to say, half of it is water, so the water in the emulsion paint freezes at 0 ℃ or below, generating expansion pressure to make polymer molecules close together, particles are easy to agglomerate, leading to paint deterioration Therefore, when purchasing coatings, we should not only check the environmental protection index of the coatings, but also pay attention to the quality problems When purchasing, pay attention to whether the packaging container is damaged or distended When purchasing, shake it to check whether there is cementation If there are these phenomena, you can't buy it Before use, open the tank first to check whether the coating has stratification, bottom caking and cementation If the coating is still in an uneven state after mixing, it cannot be used Negotiations should be made immediately with the shop purchased In addition, when purchasing paint, we also need to ask the dealer for the purchase invoice, construction instructions and other effective vouchers, so as to avoid the failure of safeguarding rights when product quality occurs [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. "Paint group: 92525666] coatings house is focused on coatings, diatom mud, paint and coatings, coating technology, fire retardant coatings news information and coatings, diatom mud, paint and coating, coating technology, fire retardant coatings decoration knowledge and decoration effect map.