Common knowledge of coating: classification of indoor waterproof coating and comparison of advantages and disadvantages

Core tips: waterproof coatings are divided into four categories Although there are many waterproof coatings on the market and network, such as "two-component polymer waterproof coating" and "one component polyurethane waterproof coating".. The name is professional, and there are many kinds, but if it is divided according to the nature, there are only four kinds of indoor waterproof coatings on the market at present, with different performances and advantages and disadvantages Hard mortar, also known as rigid mortar: the ratio of emulsion to mortar is 1:4 After finishing, it is not necessary to process the coating, and it can be directly bonded to bricks, which is more convenient 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 Home of coatings: there are four categories of waterproof coatings, although there are many waterproof coatings on the market and network, such as "two-component polymer waterproof coating" and "one component polyurethane" Waterproof coating ".. The name is professional, and there are many kinds, but if we divide it according to the nature, there are only four kinds of indoor waterproof coatings on the market at present, with different performance and advantages and disadvantages Hard mortar, also known as rigid mortar: the ratio of emulsion to mortar is 1:4 After finishing, it is not necessary to process the coating, and it can be directly bonded to bricks, which is more convenient After solidifying, the cement block will not leak, and its back water surface has good waterproof effect, which is its biggest advantage The disadvantage is that this kind of mortar has high hardness and is easy to crack with the deformation of the base course, so it is generally used for the waterproof of the back water surface Price: 200-300 yuan / barrel, 18kg / barrel, brush 10-13m2 Flexible mortar: the ratio of emulsion to mortar is 5:4, which is elastic, even if the base is deformed and cracked, it will not affect the waterproofing effect It is mainly used for facing water surface such as wall and ground, but not for back water surface such as top surface If the waterproof is not well done, there is water penetration, and it is easy to pack water Price: 300-500 yuan / barrel, 18kg / barrel There is also a kind of silica gel waterproof coating in the flexible mortar, which belongs to the high-grade flexible mortar It has good elasticity and flexibility, but the price is 600 yuan / barrel, which is relatively expensive and rare in the market Acrylates: pure liquid, ready to use It is water-soluble and easy to combine with the ground gap to form a solid waterproof layer, with better waterproof effect than flexible mortar After brushing, the surface treatment such as roughening or sand lifting is required to increase the friction and easy tiling Due to the good waterproof effect, flexible mortar and acrylate are more suitable for long-term immersion environment Price: 300-500 yuan / barrel, 18kg / barrel One component polyurethane: it can be used both indoors and outdoors After brushing, it is very thick, about 3 mm, and its elastic tension is more than 300% It is very elastic Any cracking of the base material will not make it crack, and the waterproof effect is the best Although the safety performance is controlled in the list of environmental protection requirements, the smell of this waterproof coating is large, which is difficult for ordinary people to accept, and the environmental protection performance of very few brands is not up to standard Polyurethane is colloidal and thick Scraper is needed in construction It is very hard and complex After painting, surface treatment, roughening or sanding are required to increase the friction and easy tiling Price: about 500 yuan / barrel, 18kg / barrel The drying speed of these coatings is affected by the climate The drying speed is relatively slow in the cold and humid climate, but the climate has no effect on the waterproof effect Generally, the drying cycle of mortar is 24 hours, and that of acrylate and polyurethane is 24-48 hours The difference between "one component" and "two components": mortar is a two component polymer, which is made up of emulsion and mortar, and acrylic ester and polyurethane have no mixture of mortar, which is a single component There is a great relationship between the application of base waterproof coating and the condition of ground base The more uneven the base, the more coating will be used Therefore, before applying waterproof coating, it is better to simply treat the base course and try to level the base course as much as possible Secondly, the ground should be dust-free, soil-free and oil-free The pier cloth can be used to drag the ground carefully to remove all the dust, otherwise it will cause the cracking and peeling of the waterproof coating and affect the waterproof effect 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,