... Material: A) Front : aluminium alloy sheet coated with fluoro-carbon resin (PVDF) or polyestor resin(PE ... polyethylene C) Back: aluminium alloy sheet coated with polyester resin painting D) Surface coating thickness: ... B) Excellent heat insulation ,sound insulation,fire-resistance,acid-resistance,alkali-resistance,weatherproofness and ... ,industrial usage etc. A2 Fire proof aluminum composite panel