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Definition and classification of exterior wall latex paint
专栏:Company news
发布日期:2019-11-15
阅读量:67
作者:福莱特
The exterior wall latex paint is called the synthetic resin emulsion exterior wall coating. Aliphatic polyurethane coating has good low temperature resistance, stain resistance and acid resistance.

The exterior wall latex paint is called the synthetic resin emulsion exterior wall coating. It is made of synthetic resin emulsion as the main film forming material and added with pigments, fillers, auxiliaries and water. The exterior wall latex paint with water as the medium is more in line with the requirements of environmental protection than the solvent exterior wall paint. The main function of exterior wall emulsion paint is to decorate and protect the building surface, make the building appearance clean and beautiful, so as to achieve the purpose of beautifying the urban environment, and at the same time, it can play the role of protecting the exterior wall of the building and extending its service life.

There are many classifications of exterior wall latex paint:

1. According to the emulsion used.

According to the different emulsion used, exterior wall latex paint can be divided into: silicone acrylic emulsion paint, polyurethane acrylic latex paint, pure acrylic latex paint, styrene acrylic latex paint, vinegar TERT latex paint and vinyl acetate latex paint. Among them, styrene acrylic emulsion paint and pure acrylic emulsion paint are widely used because their performance can meet the requirements and the price is moderate. Due to its good water repellency, air permeability, stain resistance and durability, and high price, silicone acrylic emulsion paint is gradually used in some demanding projects. Waterborne polyurethane acrylic latex paint is composed of polyurethane dispersions, acrylic emulsion, pigments, fillers and auxiliaries. Aliphatic polyurethane dispersion has good light resistance and weather resistance, and low reactivity with water, so it is suitable for waterborne exterior wall emulsion paint. The leveling property of polyurethane dispersion coating is outstanding. Aliphatic polyurethane coating has good low temperature resistance, stain resistance and acid resistance. However, polyurethane dispersion has high price and poor color matching. Therefore, together with acrylic emulsion, waterborne polyurethane acrylic latex paint is complementary to each other and has good protective function and decorative function.

2. By luster

According to the different gloss, the exterior wall emulsion paint can be divided into flat light exterior wall emulsion paint, silk light exterior wall emulsion paint, semi light exterior wall emulsion paint, bright exterior wall emulsion paint and high light exterior wall emulsion paint. There is no specific classification standard in China, and there is such standard in EU, milk en1062-1:2002.

3. According to the sense of quality

According to different texture, the exterior wall emulsion paint can be divided into thin exterior wall emulsion paint, thick exterior wall emulsion paint, decorative exterior wall emulsion paint and sand wall exterior wall emulsion paint.

4. According to single or multiple adhesives

According to the type of adhesive, exterior wall emulsion paint can be divided into common single adhesive exterior wall emulsion paint and composite exterior wall emulsion paint. Composite exterior wall emulsion paint, such as silica sol acrylic composite exterior wall emulsion paint, silicate acrylic composite exterior wall emulsion paint and silica acrylic composite exterior wall emulsion paint, etc.

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