Sundar High Alumina Bricks have the characteristics of strong volume stability at high temperatures, good thermal shock resistant, wear resistance and chemical corrosion resistance. They are usually used on transitional zone and reheater of cement rotary kiln and other thermotechnical equipment that requires thermal shock resistance.
|
Item |
SD-AB85 |
SD-AB80 |
SD-AB75 |
SD-AB65 |
SD-AB55 |
|
|
Al2O3 % |
≥85 |
≥80 |
≥75 |
≥65 |
≥55 |
|
|
Apparent porosity % |
≤23 |
≤22 |
≤23 |
≤23 |
≤22 |
|
|
Cold crushing strength Mpa |
≥55 |
≥55 |
≥50 |
≥45 |
≥40 |
|
|
Refractoriness |
≥1790 |
≥1790 |
≥1790 |
≥1790 |
≥1770 |
|
|
Refractoriness under loadin 0.2MPa |
≥1550 |
≥1530 |
≥1520 |
≥1500 |
≥1450 |
|
|
Permanent linear change |
1500×2h |
-0.4~0.1 |
-0.4~0.1 |
0.4~0.1 |
-0.4~0.1 |
-0.4~0.1 |
|
1450×2h |
|
|
|
|
|
|
