How to identify water bag of colorful coating is good or bad? 吗? 吗? 吗?

How to identify water bag of colorful coating quality? Water bag water color paint? The layman temporarily unable to understand. Edge xiao here to teach you the four basic steps, and to identify water bag color coating quality methods and steps of: 1. Look at the water: after storage for a period of time, pattern grain sinks, there will be a layer of protection glue solution above. This layer of adhesive solution usually account for around a quarter of the total paint. For high quality coating, protective glue solution is colorless or yellow, and relatively transparent. Coating quality is poor, however, protect the colloidal solution is cloudy and obviously take on the color design of particles of the same color. The main problem is the stability of the coating is poor, or the storage life is over, not suitable for repeated use. 2. See flotsam: for high quality coating, surface there is usually no floater protection glue solution, sometimes few color floats, this is normal. However, if the number of floating object is large, even has certain thickness, it is not normal. 3. Granularity: take a transparent glass, filled with half a cup of water, and then take a bit of paint, stir in the glass of water. The water in the cup still on the high quality of paint on the bottom, grain is relatively independent in clear water, particle size is very uniform. 4. Look at the price: high quality coatings produced by normal manufacturer according to the formula, price moderate. However, the poor quality of coating, some corners in the production, some even by the individual production system, low cost, sales far cheaper than good quality paint.