



The Ceramic Raschig Ring is the oldest and most fundamental random packing in the history of chemical engineering, patented by Dr. Friedrich Raschig in 1914. As a simple hollow cylinder with equal height and diameter, its timeless design continues to serve as a cost-effective solution for mass transfer operations in demanding industrial environments.
Although modern designs like Pall rings offer higher efficiency, the Ceramic Raschig Ring remains widely used due to its extreme chemical inertness, exceptional thermal stability, and low cost. It is especially valued in highly corrosive or high-temperature applications where plastic and metal packings fail.
-
Product Highlights
| Size (mm) | D×H×T (mm) | Surface Area (m²/m³) | Void Ratio (%) | Bulk Density (kg/m³) | Packing Factor (m⁻¹) |
|---|---|---|---|---|---|
| φ6 | 6×6×1.5 | 800 | 72 | 900 | 2100 |
| φ8 | 8×8×1.5 | 620 | 73 | 880 | 1700 |
| φ10 | 10×10×1.5 | 450 | 73 | 860 | 1200 |
| φ13 | 13×13×1.5 | 350 | 73 | 830 | 900 |
| φ16 | 16×16×2.0 | 300 | 72 | 800 | 690 |
| φ20 | 20×20×2.0 | 250 | 72 | 780 | 550 |
| φ25 | 25×25×3.0 | 200 | 73 | 630 | 420 |
| φ38 | 38×38×4.0 | 150 | 75 | 600 | 280 |
| φ50 | 50×50×5.0 | 110 | 78 | 590 | 175 |
| φ76 | 76×76×6.0 | 75 | 78 | 560 | 110 |
| φ100 | 100×100×8.0 | 58 | 80 | 530 | 80 |
| φ150 | 150×150×10.0 | 38 | 82 | 520 | 50 |