Looking for a clear glossy spray paint, that won't seal in my cement pig?

i painted the cement pig and the guy i bought it from told me not to put a sealer on it. will all clear coats seal itLooking for a clear glossy spray paint, that won't seal in my cement pig?
Check out hobby lobby they have non sealing paint for ceramics and porcelain.Looking for a clear glossy spray paint, that won't seal in my cement pig?
yes
Yes, all clear coats should seal, the only thing that may not is flat paint, and that would run off in the rain.

Faratech