★ Product Overview ceramic Raschig rings is the first development of a random packing. Ceramic Raschig ring shape is simple, its height and diameter equal. Large size Raschig rings (100MM above) the general rules for filling the entire puzzle mode, 75MM size Raschig rings generally use less filling huddle mode. Performance Specifications ★ geometric porosity specific surface weight of the number of stacking D × H × S (mm) m2 / m3% kg / m3 n / m3 Φ6 × 6 × 2 789 73 737 3110000 Φ10 × 10 × 2 440 70 700 720000 Φ15 × 15 × 2 330 70 690 250000 Φ16 × 16 × 2 305 73 730 192500 Φ25 × 25 × 2.5 190 78 505 49000 Φ40 × 40 × 5 126 75 577 12700 Φ50 × 50 × 5 93 81 457 6000 Φ80 × 80 × 9.5 90 68 714 1910 Φ100 × 100 × 10 70 70 700 1000 Φ150 × 150 × 15 50 68 790 295 welcome to contact us to buy!