Flame Retardent Aluminum Composite Panel A2 Grade(Fireproof panel,A2 grade panel,construction material) Flame Retardent Aluminum Composite Panel A2 Grade(Fireproof panel,A2 grade panel,construction material)We are the first and only manufactory of Fireproof Panel who gets A2 grade and national certification in China NO.itemmethodqualificationresultconclusion1FIGRA,W/sGB/T 20284-2006A2≤ ...