| Specification | Composition Ratio |
| Item No. HY23LHSP85-T50 | Silica(SiO2) 73.5% |
| Top Dia. 218 | Sodium Oxide (Na2O) 13.16% |
| Height 35 mm | Calcium Oxide (CaO) 9.48% |
| Bottom Dia. 110 mm | Boron Trioxide (B2O3) 1% |
| Capacity / ml | Alumina (Al203) 3.21% |
| Package 4 8 pcs/ctn | Ferric Oxide (Fe2O3) 0.1% |