... Specification:ProductNameSizemmDiameter*Height*ThicknessmmSurfaceAream2/m3VoidSpace%BulkDensitykg/m3Number/ m3Packing factorm-1SuperIntalox RingΦ2525×19×31607853052000337Φ3838×30×41028048016000199Φ5050×40×588814507300166Φ7676 ... :Widely used in petrochemical, acid, natural gas, aqueous cleaning, fine chemical, environmental protection, pharmaceutical, fertilizer, and metallurgical plants where they ...