Corrosion resistance, thermal shock resistance, and high temperature stability are benefits derived from the use ofBolun Industrial LimitedCarbon Raschig Ring tower packing. Features: 1. Low coefficient of thermal expansion, resists damage caused by severe shocks 2. May be used in most acids, alkalies and solvents. 3. Light weight and high mechanical strength with no soluble bond. 4. Long life packing with high temperature operating capabilities. Used in chlorine-hydrochloric mixtures and phosphoric acid. Specifications: SIZE DENSITY SURFACE AREA Void Thickness part#OD (in.)OD (mm)lbs/ft3kg/m3ft2/ft3m2/m3%mmin.CRR-1/2 0.5 1330474117384711.751/16 CRR-3/4 0.75 193454675244614.245/32 CRR-1.0 1.0253454657185625.467/32 CRR-1.5 1.5383454638124608.4311/32 CRR-2.0 2.050274332991717.149/32 CRR-3.0 3.075233691962788.6311/32