Between applying layers of multi-component film-forming products, what must be done if the surface needs it to ensure proper adhesion?

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Get ready for the CCQ Painter Trade Qualification. Study with multiple choice questions, flashcards, and gain insights on what to expect on the test, with hints and explanations for each question.

Multiple Choice

Between applying layers of multi-component film-forming products, what must be done if the surface needs it to ensure proper adhesion?

Between layers of a multi-component film-forming finish, creating a fresh, key surface is essential for adhesion. Lightly sanding the previous coat with fine-grit paper roughens it just enough to give the next layer something to grip, improving mechanical bonding. After sanding, remove all dust and ensure the surface is clean before applying the next coat. If you let the first coat cure fully, the surface becomes hard and sealed, making bonding between coats difficult. Applying wax would leave a slick barrier that blocks adhesion, and wiping with solvent is not the standard step to promote bonding between coats; sanding is the correct method when the product requires it.

Between applying layers of multi-component film-forming products, what must be done if the surface needs it to ensure proper adhesion?

Get ready for the CCQ Painter Trade Qualification. Study with multiple choice questions, flashcards, and gain insights on what to expect on the test, with hints and explanations for each question.

Between applying layers of multi-component film-forming products, what must be done if the surface needs it to ensure proper adhesion?

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