Description of Premium-grade High Alumina Bricks sk50 sk40 sk30 High Alumina Refractory Bricks For High Temperature Kiln & Furnace
Introducing our premium-grade High Alumina Bricks, meticulously crafted to exceed the demands of neutral refractoriness, ensuring a secure working environment even at temperatures surpassing 1300 degrees Celsius. These bricks are meticulously engineered using select raw materials with an alumina content surpassing 48%, subjected to precise shaping and high-temperature calcination processes. They exhibit exceptional thermal stability and an impressive fire resistance threshold of over 1770 degrees Celsius. Our offerings come in a range of specifications, tailored to meet the unique requirements of our valued customers.
Product Specification of Fire-resistant alumina fire brick sk50 sk40 sk30 bauxite clinker refractory bricks for boiler Kiln furnace
Item | Index | ||||
SK40 | SK38 | SK37 | SK36 | SK35 | |
LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
Al2O3 % | ≥80 | ≥75 | ≥65 | ≥55 | ≥48 |
Apparent Porosity, % | ≤21 | ≤24 | ≤24 | ≤22 | ≤22 |
CCS, MPa | ≥70 | ≥60 | ≥50 | ≥45 | ≥40 |
0.2MPa RUL ℃ | ≥1530 | ≥1520 | ≥1500 | ≥1450 | ≥1420 |
PLC, % | 1500℃×2h -0.4~0.2 | 1450℃×2h -0.4~0.1 |