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Quick Details
Specifications
Physical properties:
| Shape: | Ring | ||||
| Color: | Light Grey | ||||
| Chemical composition | |||||
| SiO2 | Al2O3 | Fe2O3 | CaO | K2O+Na2O | |
| >70% | 23-30% | <1% | <1-2% | <2-4% | |
| Physical properties | |||||
| Index | Value | ||||
| Specific gravity(g/cm3) | 2.25-2.35 | ||||
| Water absorption(%) | <0.5 | ||||
| Acid-resisting strength, %Wt. Loss (ASTMc279) | <4 | ||||
| Firing temperature((Degree C) | 1280-1320 | ||||
| Softening point((Degree C) | >1400 | ||||
| Density(kg/m3) | 2350 | ||||