How to understand the film adhesion?

Chengdu Administration for Industry and Commerce recently reported the results of solid wood (composite) floor quality monitoring in the second quarter of 2016. The surface wear resistance of individual products did not meet the requirements of national standards.

The phenomenon of paint dripping, sagging, and uneven film on the surface of the base layer is called paint flow drop. The main reasons for this are: (1) The paint formulated is too thin and has poor adhesion. Some paints run under gravity. (2) The brush or paint is too thick and the paint film is too heavy to fall. (3) The temperature in the construction environment is too low, and the paint film will dry slowly. (4) The paint contains too much heavy pigment and some of the paint sags. (5) The surface of the base layer of the object is uneven, the thickness of the paint film is not uniform, and the drying speed is...

Multi-layer solid wood flooring is increasingly sought after by consumers, and now it is in the home improvement season, how can consumers choose quality multi-layer solid wood flooring? Take a look at the following “trick”: First, to see if there are environmental indicators For multi-layer solid wood flooring, the country has mandatory environmental standards. Second, choose well-known brands such as inspection-free products, well-known trademarks and Chinese brand names, so that quality, service can be guaranteed, do not buy "three no" products, the full foreign language packaging products should be cautious ...

Why does the coated product have a sagging coating on the surface of the product? There are two reasons: First, after the paint is sprayed, it takes a long time to dry completely. Generally, the furniture factory and the wooden door factory only wait for three to four hours. To polish, in fact, the paint is not completely dry at this time, the remaining solvent will continue to volatilize, the paint film itself will continue to shrink, if the product is already done at this time, it will naturally affect the surface effect of the product after

On February 8, 2016, the Administration for Industry and Commerce of the People's Republic of China (HAAP) on its website posted a “Quality Supervision Report on Circulation in the 4th Quarter of 2011”, which showed that Yihua Wood (600978.SH) and other wood products Flooring companies produce solid wood flooring with unacceptable thickness, width, and film adhesion.