Sintered dense alumina refractory blocks are made from alumina as the main material and hydrated alumina as the binder. The product is featured with good compactness, high purity and great corrosion resistance to glass liquid, and its corundum phase is greater than 99%, mainly used in high temperature parts and serious glass liquid erosion parts of glass furnace. When this brick used in forehearth, it can effectively prevent defects like strips, stone and bubbles, and improve glass quality and the qualification rate.
Technical Data Sheet:
| Index |
Unit |
CA-99 |
| Al2O3 ≧ |
% |
≧99 |
| Fe2O3 ≦ |
% |
≦0.15 |
| Bulk Density ≧ |
% |
≧3.2 |
| Apparent Porosity ≦ |
% |
≦16 |
| Cold Crush Strength ≧ |
g/cm3 |
≧140 |
| Thermal Expansion ≧ |
% |
≦1.15 |
| Refractories under Load( 0.2Mpa ) ≧ |
℃ |
≧1700 |
Note: All chemical-physical data are obtained based on the corresponding refractory bricks of standard size.
