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I’ve been making some plastic coatings for wood by dissolving polystyrene (from plastic model kits) into paint thinner in room temperature. So far, i’ve brushed a number of layers throughout one week to accumulate a solidified film, thickness of about .25 millimeters. However, i noticed that my melted polystyrene is no where as hard (resistence to deformation/tensile strength) as before i melted it… Do solvents degrade a plastic by ~entering~ it? In my case, do the solvents EVER fully evaporate? Even if i bake it, will my solvent-melted plastic ever be as strong as the injection-molded version? …i scrapped some old projects with acrylic lacquer paints on it painted YEARS ago, & i…. Click Here to Read More

I have a pile of scrap metal I would like to cash in for some extra money. I have been saving for a while but this is my first time cashing it in. I just aquired some steel shelving units but the steel is coated in a clear plastic. Should I remove the plastic before taking it in to scrap? If so are there any easy ways of removing it aside from sitting down for hours and chipping it…. Click Here to Read More