Listen to the sound.
The qualified quality of latex paint is about 7 kg in a barrel of 5 liters, and about 25 kg in a barrel of 18 liters. You can judge whether it is qualified by weighing the paint bucket. Another simple way is to lift the paint bucket. Regular brand latex paint generally can't hear the sound when it is shaken, and it is easy to shake the sound, which proves that latex paint lacks stickiness.
Formal channel
Choose formal products or formal channels and buy through formal channels. Paint and coating products are not only related to the beauty and warmth of the living environment, but more importantly, to the well-being of family members, so we should not be careless. Generally, the front of latex paint will be marked with title, trademark, net content, composition, usage and precautions. Pay attention to the date of consumption and shelf life. The shelf life of various brands of latex paints ranges from 1 to 5 years. Try to buy products that have been consumed recently.
Method detection
A look at the water quality solution shows that the high-quality latex paint is relatively thin, milky white liquid, without caking, even after stirring, without peculiar smell; Second, look at wire drawing, take a brush and dip it in latex paint, which can hang the wire for a long time or drip it evenly from time to time; Try to feel it with your fingers. Latex paint should feel smooth and delicate. Four smells, most of the non-environmental protection coatings have pungent smell, smell whether there is pungent smell in the coatings.