| Specification | Composition Ratio |
| Item No. GB510020420 | Silica(SiO2) 73.5% |
| Top Dia. 87 mm | Sodium Oxide(Na2O)13.16% |
| Height 113 mm | Calcium Oxide (CaO) 9.48% |
| Bottom Dia. 50 mm | Boron Trioxide (B2O3)1% |
| Capacity 420ml | Alumina (Al203) 3.21% |
| Package 24 pcs/ctn | Ferric Oxide (Fe2O3) 0.1% |
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