What is purple primer used for


When it comes to plumbing, it's important to make sure all connections are secure to prevent leaks and damage. One tool that is commonly used to ensure this is a purple primer. But what is its purpose, and why is it necessary?

A purple primer, also known as a PVC primer, is used to prepare the surface of PVC pipe and fittings for bonding with solvent cement. It works by softening the plastic surface, allowing the solvent cement to penetrate and fuse the pipe and fitting together. Without the use of primer, the joint may not be as strong and could potentially leak.

When connecting a tee or elbow with a pipe, it is essential to apply a purple primer before using the solvent cement. This is because the primer helps to remove any dirt, oil, or other contaminants that may be present on the surface of the pipe or fitting. This creates a clean surface that the solvent cement can bond to, ensuring a strong, leak-free joint.

In addition to preparing the surface for bonding, the purple color of the primer is also important. It serves as a visual indicator that the primer has been applied, making it easier to ensure that all areas have been covered. This is especially important in hard-to-reach areas or when working in low light conditions.

In conclusion, the use of a purple primer before applying solvent cement is essential for creating a strong and leak-free joint when connecting a tee or elbow with a pipe. It prepares the surface by removing contaminants and provides a visual indicator to ensure complete coverage. So next time you're working on a plumbing project, don't forget to reach for the purple primer!

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