With the enhancement of people's awareness of Huanbao, furniture factories also began to choose water-based wood paint instead of paint. During this period, water-based wood paint is a problem that needs to be dealt with. Under what circumstances is the water-based wood paint easy to dry quickly, how to quickly dry water-based wood paint! Below, Jiangmen water-based paint for you to describe several common boring methods!
1. Natural and boring
Natural boring method is simple and widely used, but it has the disadvantage of being boring and slow. The temperature, humidity and wind speed change from time to time, and the drying speed and film quality are unstable. Under the condition of high temperature, high humidity or high humidity, the paint film is easy to turn white. At low temperature, especially below 5 ℃, it is difficult for water-based wood paint to form film.
2. The microwave is boring
Microwave is a kind of penetrating electromagnetic wave, and its common frequency is 915-2450mhz. Microwave heating is based on the principle of dielectric loss, which makes the water molecules swing rapidly, resulting in significant thermal effect, which makes the temperature inside and on the surface of wood lacquer rise rapidly together.
The advantage of microwave heating is that the speed of drying is very fast. There is no shape requirement for the object to be dried, and there is no temperature gradient on average.
3. The hot air is dry
Hot air dryness is a heating and drying method that uses convection principle and uses hot air with temperature of 40-60 ℃ as heat carrier to transfer heat energy to the coating on the surface of the object, and then solidifies into film after absorbing energy. Hot air drying process can significantly increase the drying speed of coating, and has strong adaptability. It is a common drying method.
4. Infrared boring
Infrared curing can be used to dry waterborne wood coatings. Infrared ray is a kind of invisible ray, between visible light and microwave, the wavelength is 0.72-1000um. Infrared curing has the advantages of fast speed, rapid temperature rise and good curing quality. However, when the coating is dry, there is a significant temperature gradient, which is not suitable for dry and thick film.
Origin of the article: Jiangmen waterborne paint http://www.annpu.com
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