Positions with mechanical shock, vibration, wear and frequent quick cooling and heating;
Flame environment furnace:
Such as aluminum melting furnace, the door and doorframe of steel rolling heating furnace, and soaking furnace cover, etc
|
Model |
Al2O3% |
℃
Maximum service temperature |
℃Refractoriness |
g/cm3
Bulk density |
% Reheat linear change of 1400℃ |
MPa Crushing strength | |
|
110℃×24h |
1400℃×3h | ||||||
|
FL60 |
≥60 |
1500 |
1700 |
2.40 |
±0.5 |
≥60 |
≥50 |
|
FL70 |
≥70 |
1550 |
1750 |
2.55 |
±0.5 |
≥65 |
≥50 |
|
FL75 |
≥75 |
1600 |
1750 |
2.60 |
±0.5 |
≥65 |
≥60 |
|
FM60 |
≥60 |
1500 |
1750 |
2.40 |
±0.5 |
≥60 |
≥50 |
|
FM65 |
≥65 |
1500 |
1750 |
2.45 |
±0.5 |
≥65 |
≥55 |