Latex paint composition, classification, performance and identification method

Latex paint is a common name for latex coatings.

It is made of synthetic resin emulsion as the base material, the filler is ground and dispersed by adding various additives and refined.

In our country, people are accustomed to using synthetic resin emulsion as the base material, water as the dispersion medium, adding pigments, fillers (also known as extender pigments) and additives, and the paint made through a certain process is called latex paint or latex.

Composition of latex paint Latex paint is mainly composed of four parts: water, base material (emulsion), pigments and fillers, additives, base material (emulsion) is the main film-forming substance of latex paint.

Composition of latex paint The classification of latex paint according to the gloss of latex paint can be divided into: high-gloss latex paint, semi-gloss latex paint, mercerized latex paint, eggshell latex paint, flat latex paint, etc.

According to the different walls painted by latex paint, it can be divided into: interior wall latex paint, exterior wall latex paint; according to the different uses of latex paint, it can be divided into: fireproof type, mildew-proof type, crack-resistant type, UV-resistant type, etc.

According to the order of layers when applying latex paint, it can be divided into: primer and topcoat.

Its water-based dispersion system is free of toxic and harmful substances, and it can be used with confidence whether it is for workers in construction or in the residence of the owner.

At the same time, the tools can be cleaned directly with clean water after being used up, which is very convenient.

The paint film of latex paint is like human skin, allowing moisture to enter and exit freely and regulate indoor humidity.

The surface is smooth and dull, the look is comfortable, and the color is bright and soft.

1. Look: high-quality latex paint looks more oily and shiny, with a layer of latex similar to motor oil floating on the open barrel; while inferior latex paint will be bleached with a thin layer of water.
   
   
2. Smell: High-quality latex paint has a faint fragrance, accompanied by a soil-like smell; inferior latex paint has a strong and pungent smell, or no smell.
   
3. Wiping: High-quality latex paint is very delicate and lubricating; inferior latex paint is astringent and has a grainy feel.
   
4. Brush: High-quality latex paint is very smooth and has strong hiding power; inferior latex paint has no hiding power and does not have much hardness after drying.
   
5. Pulling: Take a small stick and stick some latex paint, it is better to hang the wire long and continuously drop evenly.
   
6. Test: Use the finger to stick latex paint and twist, without the roughness of grit, it is better to rinse with water and have a smooth feeling.