Compared with other products, Plastic Heilex Ring enlarges its surface area and void space which contribute a lot to enhance the Product Performance. Application: Absorption, stripping services and Fertilizer production Main parameter Item Heilex Packing Spec (mm)50x50 76x76 Surface Area (m2/m3) 101 75 Void Ratio(m3/m3) 0.93 0.94 Bulk Number (n/m3) 8200 3180 Bulk Weight (kg/m3) 61 56