Professional plumbers apply concentrated hot air (350 degrees Fahrenheit) to the joint, allowing them to knock the pieces loose. It’s usually easier to cut the fitting or connection off, then install new plumbing parts instead. To get the cement off the pipe itself, use acetone or rough sandpaper.

How do you thin out PVC cement?

Primer contains the same ingredients as Cement, except Cement also has PVC resin in it, so theoretically you should be able to add primer to cement to thin it. Oatey Purple Primer contains Acetone, Cyclohexanone, Tetrahydrofuran, and Methyl ethyl ketone.

Does anything dissolve PVC cement?

While PVC glue is still wet, it will come off easy. Once it has set, however, you need to use some acetone on a clean rag to wipe it up. Fully dried glue on a PVC pipe can be dealt with, but you’ll need a special solvent to loosen it up. Using acetone won’t do the trick here.