Ceramic/ Alumina Porous Ball is used as constructional sphere and is available with porosity of 70%. The Porous Ball is designed with a ceramic density of 600 kg/Cubic Meter +/- 10%. Nilgiris Chemical Stoneware Company [P] Limited is manufacturing Ceramic/ Alumina Porous Ball. Nilgiris Chemical Stoneware Company [P] Limited supplies a wide range of tower packing products for construction materials like Raschig Rings, Pall Rings, Saddles, Triangles, Catalyst Bed Supports, Porous balls and Ferrules. The Ceramic/ Alumina Porous Ball is available in various sizes of 25 mm, 30 mm, 40 mm and 50 mm.