Thanks for the reply. No release agent is being used. I cast it on a very dense Polypropylene, almost glass finish. Releases easy. I apply on coat 1/4 inch thick, then after 12 hours place the wood structure in it, and pour 3 more coats each at about 1/2 inch. I never noticed it originally while pouring it, but after the job was complete the white scales started to show up and got more noticeable over time. Initially I thought it could be too much moisture, but the temp is at 22 and the moisture is very low. I noticed today after an initial pour of i/4 inch i had a film develop on about 20% of the surface ( only detectable at a certain angle) that was almost at a tacky stage after 10 minutes. I used a flat blade and removed the film, which them turned milky, and disposed of it. Problem is I cannot do this after I place the wood in. The eventual top side of the furniture piece has been and likely again will be flawless, it is the back side where the issue is, which is the side i am pour each layer on, as a result of doing the piece upside down.