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Specific requirements for 3132 red powder for paint
Release time:
2024-01-30
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In the choice of paint pigments, need to consider a number of aspects. Pigments are an important component of paint, which determine the color, hiding power and durability of the paint. In general, pigments are composed of pigments, fillers and surfactants. Pigment is the main component of the pigment, which provides the color and hiding power of the paint; fillers can improve the texture and durability of the paint; surfactants play a role in improving the adhesion and permeability of the paint on the surface.
In the choice of paint pigments, need to consider a number of aspects.
Pigments are an important component of paint, which determine the color, hiding power and durability of the paint. Generally speaking, pigments are made up of pigments,Fillersandsurface active agentComposition. Pigment is the main component of pigment, which provides the color and hiding power of paint;FillersIt can improve the texture and durability of the paint;surface active agentIt plays a role in improving the adhesion and permeability of the paint on the surface.
When choosing a 3132 red pigment, the following points need to be considered.
1、color of pigment
3132The color of red pigment is the result of selective absorption of different wavelengths of light in visible light, and is affected by physical properties such as crystal shape, particle size and dispersion performance; the color of pigment is also affected by the light irradiated on it.
2、tinting strength
3132The tinting power of red pigment refers to the ability of a pigment to be mixed with another pigment to show shades of color.
3、covering power
3132Large red powder pigments and fillers are mixed in a suitable ratio, which will not affect its hiding power and help reduce costs. The hiding power of the coating is high, the brushing area is high, and the project cost is low.
4,Dispersion and adaptability
Dispersibility refers to the degree of difficulty in dispersing pigment particles in the coating base material and the dispersion state after dispersion, which is affected by pigment performance, preparation method, particle size and particle size distribution and other factors.
5,fineness
The fineness of pigment paste is not as fine as possible, because pigments such as phthalocyanine blue and phthalocyanine green are small molecule pigments. The fineness is too small, the particle size difference is large, the dispersion is poor, the compatibility with coatings is not good, the color matching cost increases, and it will also lead to floating colors.
6、Light resistance Weather resistance
3132Red pigment under the action of light color will produce a certain degree of change. The color of the pigment will gradually darken under the sun for a long time, and some pigments will be pulverized under the action of ultraviolet rays in the sun. Exterior wall coatings should be made of pigments with good light and weather resistance, and the general light resistance is greater7~8Class,8Grade is the best, weather resistance is greater4~5Class,5Level is best.
7,Acid and alkali resistance
The acid and alkali resistance of the pigment is also an important performance indicator for its use in architectural coatings.
Some pigments are not acid-resistant and alkali-resistant, so they cannot be used in acidic or alkaline coatings, and the coatings made are not suitable for acidic or alkaline environments. Therefore, customers must pay attention to the selection of paints and latex paints
Secondly, we should pay attention to the composition of the pigment. Some pigments contain harmful chemicals, such as lead and chromium, which may pose a threat to human health. Therefore, in the choice of pigments, it is best to choose those harmless pigments, or at least low toxicity pigments.
Finally, pay attention to the brand and price of the pigment. Pigments of different brands and prices are different in terms of quality, hiding power, adhesion, durability, etc. Therefore, when choosing pigments, it is best to choose pigments with reliable quality and moderate price, which can ensure the effect of your paint without causing excessive pressure on your wallet.
Key words:
Paint, 3132 red powder, paint
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