What are the major factors of pin holes?

Pin holes commonly happen because of the compatibility issues (mixing of powders, contaminations, etc.). In glossy finish when the product is coated with more than 100 microns, there will be a possibility of micro pin holes.
In structure finish, when coating thickness falls below the recommended thickness level it leads to pin holes.we recommend to have a minimum thickness of 80 microns on structure finishes.

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