The primer should still be wet when applying the cement. This means that the chemicals within the primer are still evaporating, but the appearance will look dry. The proper time frame to apply cement and finish the joint assembly is within five (5) minutes after the primer is applied.
It appears that you're using an unsupported browser.
If you are currently using Internet Explorer we recommend you switch to Edge or another supported browser to enjoy the best experience Oatey.com has to offer.