How to Distinguish 1K Car Paint And 2K Car Paint?

For the novice, do not know what is 1K car paint and 2K car paint. In the industry, 1K is called single-component paint, 2K called two-component paint. 
1.if the paint has the flash point of the metal particles, that is 1K paint, 2K paint is not;
2.1K paint without metal particles, you can use the scale to dip and then observe the auto paint, the surface drying speed faster is 1K, and the film is no shiny;
3.If the paint concentration is high, it should be 2K paint, otherwise it is 1K paint.

4.1 K paint does not require curing agent, and the proportion of car paint thinner is generally 1: 1 (weight ratio); 2K paint need to add curing agent and thinner, the ratio is generally 2: 1: 0.5.