Cupping testers are employed in the testing of the elongation and deformability of lacquers and protective coatings applied to metal substrates. This sort of test is essential because it allows one to test the durability of a lacquer or protective coating before the coating is applied to a product.
Cupping testers are employed in the testing of the elongation and deformability of lacquers and protective coatings applied to metal substrates. This sort of test is essential because it allows one to test the durability of a lacquer or protective coating before the coating is applied to a product.
Source: Wikipedia "Cupping tester" · CC BY-SA 4.0
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