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Why does precipitated barium sulfate affect the gloss of powder coatings

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Why does precipitated barium sulfate affect the gloss of powder coatings

  • Time of issue:2021-07-08
  • Views:0

(Summary description)
Some powder coatings contain precipitated barium sulfate. I believe many people should know about this type of barium sulfate. It has advantages in terms of whiteness, performance, and fineness. However, powder coatings are in production The gloss aspect is very important when it is used, and the precipitated barium sulfate also has an influence on the gloss aspect of its powder coating. Why is it so?

Why does precipitated barium sulfate affect the gloss of powder coatings

(Summary description)
Some powder coatings contain precipitated barium sulfate. I believe many people should know about this type of barium sulfate. It has advantages in terms of whiteness, performance, and fineness. However, powder coatings are in production The gloss aspect is very important when it is used, and the precipitated barium sulfate also has an influence on the gloss aspect of its powder coating. Why is it so?

  • Categories:Industry News
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  • Time of issue:2021-07-08
  • Views:0
Information

Some powder coatings contain precipitated barium sulfate. I believe many people should know about this type of barium sulfate. It has advantages in terms of whiteness, performance, and fineness. However, powder coatings are in production The gloss aspect is very important when it is used, and the precipitated barium sulfate also has an influence on the gloss aspect of its powder coating. Why is it so?

Precipitated barium sulfate has played a major role in the powder coating industry due to its advantages of high gloss, high whiteness, high content, and high fineness. The gloss of the coating refers to the reflection ability of the surface of the coating to the light of the projected light. The stronger the reflection ability, the greater the gloss.

The main factor affecting the gloss of barium sulfate powder material after film formation is its particle size and dispersion performance. If the particle size of the precipitated barium sulfate powder itself is very fine and can be evenly dispersed into the coating, the coating film Smooth and dense as a mirror, the gloss will be very obvious; on the contrary, the particle size of barium sulfate is too thick and the uniformity is poor, the surface of the coating is rough, the gloss will be reduced and the color tone will be dark.

The gloss of powder coating directly determines its quality. Therefore, gloss is particularly important in powder coatings. In powder coatings, barium sulfate has good dispersibility and fineness. Barium sulfate does not contain impurities. Its surface treatment has three treatment methods: anodizing, electrophoretic coating and powder spraying. If we add barium sulfate to powder coatings It is very obvious that the paint has adhesion, and the barium sulfate in the anti-corrosion and weather-resistant powder coating can achieve 100 gloss, but the other can only achieve about 98.

Particle size and dispersion properties are related reasons that affect the gloss of powder coatings. For powder coatings, the level of gloss is closely related to the quality. After we understand the influencing factors, we can start from these factors. , To find solutions to related problems in the gloss of powder coatings and improve their gloss.

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