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[A Must-See For Enamel Manufacturers] This Article Teaches You How To Choose Steel Enamel Cover Coat

[A Must-See For Enamel Manufacturers] This Article Teaches You How To Choose Steel Enamel Cover Coat

  • Categories:Company news
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  • Time of issue:2021-12-21
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(Summary description)Steel enamel cover coat can be divided into antimony enamel frit, titanium enamel frit, tin enamel frit, zirconium enamel frit, etc.

[A Must-See For Enamel Manufacturers] This Article Teaches You How To Choose Steel Enamel Cover Coat

(Summary description)Steel enamel cover coat can be divided into antimony enamel frit, titanium enamel frit, tin enamel frit, zirconium enamel frit, etc.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-12-21
  • Views:0
Information

Steel enamel cover coat can be divided into antimony enamel frit, titanium enamel frit, tin enamel frit, zirconium enamel frit, etc. Wait. The enamel cover coat has excellent turbidity and gloss, which can make the surface of the enamel smooth and clean, and can also meet the appearance requirements of the color and hue of the color cover coat. However, the enamel cover coat cannot be directly coated on the metal substrate. The enamel production factory also considers the matching with the ground coat when selecting the cover coat. The firing temperature of the cover coat is lower than that of the ground coat, and the expansion coefficient of the cover coat is also very important.

Titanium cover coat and antimony cover coat are the most popular cover coats on the market, especially titanium cover coat, which has strong opacifying ability. It can get good emulsification effect after one application, with both chemical and thermal stability. It stands out. Antimony cover coat has good impact resistance, but its emulsification ability is slightly worse than that of titanium cover coat. Generally, it needs to be painted twice, the amount of enamel is large, and it cannot be used as a container for contact with food. Tin cover coat has a high cost because of its low resources, and the melting temperature of zirconium cover coat is higher than that of ordinary enamel frit .

 

In addition to satisfying the following basic requirements when choosing ordinary daily-use enamel frits, enamel production factories also need to make choices based on the characteristics of different enamel frits based on their own needs:

1. Good creaminess and gloss;

2. The expansion coefficient of the enamel cover coat (slightly smaller) should be compatible with the ground coat;

3. The firing temperature is slightly lower than the ground coat (not including the 2 enamel and 1 firing process cover coat);

4. Good acid resistance, water resistance, heat resistance, etc.;

5. Good elasticity (not easy to produce blemishes and defects) and wear-resistant and compressive;

6. If it is a colored enamel frit, the hue is stable and beautiful.

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