Metal etching products need to test dyne value to ensure the wetting performance and adhesion of their surface coatings.
Dyne value is an important indicator to measure the wetting performance of metal surface coatings, which reflects the ability of metal surface coatings to be wetted by liquids. By testing the dyne value, it can be determined whether the surface coating of the metal etching product has good adhesion and durability, thereby ensuring its stability and reliability during use. In addition, the dyne value test can also evaluate the anti-fingerprint and anti-oil performance of metal etching products, which also has an important impact on the appearance and user experience of the product. Therefore, metal etching products need to test the dyne value to ensure the performance and quality of their surface coatings.
36What is the dyne value? The unit is usually millinn/m (mN/m). The higher the dyne value test result, the better the wettability of the solid surface and the cleaner the surface. The smaller the dyne value test result, the worse the wettability of the solid surface and the worse the cleanliness of the surface. The commonly used simple test method for dyne value is dyne pen or dyne liquid, including 32, 34, 36, 38, 40, 42, 44, 46, 48, 50 ~ 72, etc. Specifically, the dyne value is an indicator to measure the wetting performance of the coating on the surface of the material. The higher the value, the better the wetting performance and the stronger the adhesion.
Therefore, the dyne value requirement of 36 or above means that the wetting performance and adhesion of the coating on the surface of the material need to reach a certain level to ensure its stability and reliability during use. This standard is usually used in some high-precision and high-requirement manufacturing fields, such as aerospace, electronic manufacturing, etc. In these fields, the coating quality and performance of the material surface are crucial to the performance and quality of the product, so it is necessary to strictly control indicators such as dyne value. It should be noted that different materials and uses may have different requirements for dyne value, so the specific standard needs to be determined according to actual conditions.
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