Paint knowledge how to choose paint?

Core tip: in recent years, latex coating has become the most widely used interior wall coating due to its environmental protection, convenient construction, short construction period, good decoration and easy modification When purchasing latex paint, it is very important to check whether the paint has passed the certification and testing of relevant agencies, because generally there are harmful substances such as xylene and lead in the paint First, check the test report carefully to see whether it meets the national environmental protection standard and has CMA test mark This index does not mean that the product is qualified, but also depends on whether the product performance index is qualified In line with national standards Only when the above two indexes are qualified, can they be regarded as qualified products Inferior latex paint no 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: in recent years, latex paint has become the most widely used interior wall paint due to its environmental protection, convenient construction, short construction period, good decoration and easy modification When purchasing latex paint, it is very important to check whether the paint has passed the certification and testing of relevant agencies, because the general paint It contains xylene, lead and other harmful substances, so first, check the test report carefully to see whether it meets the national environmental protection standard and has CMA test mark; this index does not mean that the product is qualified, but also depends on whether the product performance index meets the national standard Only when the above two indexes are qualified, can they be regarded as qualified products The inferior latex paint not only affects the construction quality, but also the unqualified chemical materials contained in it will harm human health, so we should try our best to buy it in the exclusive shop or special distribution shop Here are several inspection methods (1) First look at the water solution After the coating is stored for a period of time, there will be layering phenomenon, the coating particles will sink, and a layer of water quality solution will be formed at more than 1 / 4 of the upper layer During the selection, we can see that this layer of solution is colorless or yellowish, clear and clean, without floating objects or little, which indicates that the coating quality is very good If the glue solution is turbid, showing a lot of paint color or internal floating matter, or even full of the solution surface, it indicates that the paint quality is poor or the shelf life of storage has expired, so it is not suitable for use (2) See the fineness of coating particles We can use a cup of clear water to test, take a small amount of paint and put it into the water, after gently stirring, if the water in the cup is still clear and bottomed, the paint particles are relatively independent in the clear water, there is no adhesion phenomenon, and the particle size is relatively uniform, indicating that the paint quality is good If once stirred, the water in the cup immediately becomes turbid, and the particle size is differentiated, indicating that the quality of the coating is not qualified, not good (3) Stir up a little latex paint with a small stick It's better to hang the wire long and falling evenly (4) use a finger to stick a little emulsion to twist, without the coarse feeling of sand grains When water is washed, there is a sense of smoothness The quality latex paint should be smooth and delicate (5) Smell for a strong irritant smell The latex paint with strong stimulation may be more toxic The real environmental paint should be waterborne, non-toxic and tasteless Besides, it is best not to buy the paint with flavors added, because the additive itself is also a chemical product, which is difficult to protect the environment (6) Brush the paint on the cement floor When the coating is dry, wipe it with a wet cloth The color of the authentic product is as bright as new, while that of the inferior product will fade with a light wipe due to poor adhesion and water resistance (7) Pay attention to the production date and shelf life of the coating The expired coating must not be purchased, or there will be endless troubles (8) For imported coatings, it is better to choose products with Chinese marks and instructions 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,