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Question 13 / 20 3 Minute Reveal 0%
13

Why must you brush bright purple colored primer onto plastic PVC pipe joints before applying PVC glue?

Why must you brush bright purple colored primer onto plastic PVC pipe joints before applying PVC glue?

Explanation

Purple PVC primer serves two functions: it chemically softens the hard plastic surface of PVC so the glue can weld the joints, and the bright purple stain allows plumbing inspectors to verify it was used.

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