... strong,clean without dust2.White coating :black coating =1:2, putting black coating into the container first, then ... constructed on wet base. DY-Double units polyurethane coating Guangdong Province Contruction Products Inspection CenterTest ReportSample name ... 00110Ref Standards: GB/T19250-2009Sample quanity:White coating 2kg, Black coating 3kgNo.Test ItemStandard valueMeasured value1Solid content,%≥92 ...