Radiator Paint ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ« Back to Glossary IndexTags: Conservation, Historic FramesComposed of brass, it was often used as a DIY treatment to repair gilded frames. Over the years the brass oxidizes and turns to a dull brown, obscuring the original gold leaf beneath. Related Articles: Collection Care-Gilded Frames« Back to Glossary Index