... Adhesion 3,Harder After Cured 4,Adhensive Foam GNS A66 Super Strong PU Foam Higher ExpansionBetter AdhesionHarder After CuredGNS PU ... (900g/750ml)40~45Specific Gravity (Kg/M3)18~25PRODUCT DESCRIPTIONGNS Super Strong PU Foam A66 is a one-component, ready to ... UPVC, masonry, brick, block work, glass, steel, aluminum, timber and other substrates (except PP, PE and Teflon).2, Very precise application de to ...