Main characters: The fireclay brick for glass furnace is used to masonry the clay bricks which unit weight is more than 50kgs. They are classified as low porosity fireclay brick, super low porosity fireclay brick, low creep, low apparent porosity and low Fe2O3 fireclay brick.
Applications: lower parts of the wall brick, lower parts of checker bricks of the regenerate zone.
Physical and Chemical Index
Item |
Index |
BN-40a |
BN-40b |
Al2O3/% ≥
Fe2O3/% ≤
0.2MPa refractoriness under load /℃ ≥
Reheating linear change (1400℃，2h)/%
apparent porosity /% ≤
Compressive strength at normal temperature/ MPa ≥ |
40
1.5
1450
0~0.4
18
49.0 |
40
1.8
1400
0~0.4
18
34.3 |
|