be used in iron panel, steel plate, stainless steel plate, aluminum plate, and on any painted metallic surfaces. ... Scope of construction: Lightweight filler is fit for iron,steel ,aluminum ,galvanized sheet and Fiberglass.Main performance indexes:Itemindexes Test methodFlexibility(mm ... to the processed surface of primer or cold-reduced sheet, in case of scraping of thick coat, it is preferable to ...