| Specification | Composition Ratio |
| ItemNo. GB211074000 | Silica(SiO2) 73.5% |
| Top Dia. 140 mm | Sodium Oxide (Na2O) 13.16% |
| Height 235 mm | Calcium Oxide (CaO) 9.48% |
| Bottom Dia. 170 mm | Boron Trioxide (B2O3) 1% |
| Capacity 4000 ml | Alumina (Al203) 3.21% |
| Package 4pcs /ctn | Ferric Oxide (Fe2O3) 0.1% |