Paint knowledge and disadvantages of water-resistant putty

Core tip: there are many advantages of water-resistant putty, but in terms of its standard, putty products that only meet the water-resistant standard also have some disadvantages and deficiencies 1 Construction and grinding are laborious Because the water-resistant putty is more solid and the product has great adhesive property, it is more difficult to mix and scrape than the non water-resistant putty The strength of water-resistant putty is also higher than that of non water-resistant putty, and it will be more laborious to polish 2 The product is alkaline before being dried on the wall Water resistant putty should use a series of complex reactions of grey calcium (main components are Cao, quicklime) with water and carbon dioxide to improve its strength, which will produce a certain amount of alkaline calcium hydroxide Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: there are many advantages of water-resistant putty, but in terms of its standard, putty products that only meet the water-resistant standard also have some disadvantages and deficiencies 1 Construction and grinding are laborious Because the water-resistant putty is more solid and the product has great adhesive property, it is more difficult to mix and scrape than the non water-resistant putty The strength of water-resistant putty is also higher than that of non water-resistant putty, and it will be more laborious to polish 2 The product is alkaline before being dried on the wall Water resistant putty should make use of a series of complex reactions of grey calcium (main components are Cao, quicklime) with water and carbon dioxide to improve its strength, which will produce a certain alkaline calcium hydroxide, which generally lasts for 5-7 days before disappearing If the alkalinity is not well controlled, it will make the constructors feel burning, and may also decompose the color paste of the surface latex paint, resulting in uneven color 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,