What are the electrostatic powder coating spraying process standards?

Electrostatic powder coating process in the use of the process there are many standards, the general electrostatic powder coating standards include quality standards and inspection standards to two parts, first of all we understand the electrostatic powder coating standard quality standards, electrostatic powder coating quality standards include For many aspects of electrostatic powder performance, the first item in the electrostatic powder coating standard is the gloss of electrostatic powder. Generally, the gloss value is allowed to deviate according to the requirements. Generally, there are only 5 gloss units. The color difference in electrostatic powder coating If it is less than or equal to 1.5, and the thickness of electrostatic powder coating is two, the average is generally greater than or equal to 0mm, the smallest part is greater than or equal to 25mm, and the third coating is greater than or equal to 40mm, and the smallest part is greater than or equal to 34mm. When coated, the average is 65mm or more, and the minimum is greater than or equal to 55mm.
Electrostatic powder coating quality standards also include hardness, adhesion, impact resistance, abrasion resistance, hydrochloric acid resistance, nitric acid resistance, solvent resistance, mortar resistance, salt spray resistance, moist heat resistance and so on.

The electrostatic powder coating standard in the standard for the detection of what it contains, the general electrostatic powder coating standard inspection includes visual inspection: appearance inspection, including the outer surface, inner surface, assembly surface, etc., the outer surface needs no orange peel, no heap powder, no Bubbles, surface spray uniform, consistent gloss. The inner surface needs to achieve no leakage, no pinholes, and the same gloss, and the color difference with other batches cannot exceed 5%. The assembly surface requirements are similar to the inner surface. Adhesion testing: Adhesion testing includes Baige testing, impact testing, fade testing, coating thickness testing, etc. Electrostatic powder coating standards must meet the national standards.

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