How long we can keep 302 redirection for a webpage url?

[zco_seo]

Hi Friends,

I have a webpage featuring a product. I have created a new domain featuring the same product and the page is under construction. I am planning to do 302 redirection from the new domain to the existing domain for the time being.

How long can I keep the 302 redirection from the new domain to existing domain? Is there any fixed time period/ duration that we can keep the 302 redirection for a webpage?

I am planning to make few more pages (privacy policy, about us, etc) from the new domain 302 redirected to the existing domain. Is it possible? If so, how long can I keep the same?

May I know which redirect is safe to use in this case, 302 or 301 redirect?

[MickEdwards]

There is no defined time limit for a 302, rather than a clear header response for search engines that the redirect is temporary not permanent (which is a 301 header response).  By default at some point you should correct to a 200 response or a 301 response.  You could in theory leave the 302 but it is not good practice.

Having said that my thought would be how trusting a visitor would be being sent to a different domain mid way through browsing.