... under construction on wet or dry surface of masonry ,mortar ,cement ,metal ,timber, strong plastic, glass, plasterboard ,form board , ... sheet Guangdong Province Contruction Products Inspection CenterTest ReportSample name:DY-Cement Composite Waterproof CoatingRef No:GD2012-01-00107Specifation/modle: DY ... RemarksLiquid : Powder= 1: 1.2Liquid(15kg/barrel) Enviornmental Certificate water tank coating