Silica Bricks of Coke Oven
click:667
belong to:Alumina silica series products
Release time:2024-04-24 10:19:33
Item(Unit) |
Mark |
||
KN |
KD |
KS |
|
SiO2(%) |
≥94.5 |
≥95 |
|
Fe2O3(%) |
≤1.0 |
≤1 |
|
CaO(%) |
≤3.0 |
≤3.0 |
|
AI2O3(%) |
≤2.0 |
≤1.5 |
|
K2O+Na2O(%) |
≤0.35 |
≤0.35 |
|
Refractoriness,R. |
≤22 ≥1710 ≤22 |
||
Apparent porosity,A.P.(%) |
≤24.5 |
||
Normal temperature compressive strength, C.C.S.(Mpa) |
≥28 |
≥35 |
≥45 |
Softening Temperature Under Load, R.U.L. 0.2MPa,T0.6 °C |
≥1640 |
≥1650 |
|
Creep Rate,C. (0.2MPa)1450℃ Z5-25Z25(%) |
≤0.12 ≤0.32 |
||
Reburn Line Rate of Change, P.L.C. (1500°C*2h)(%) |
-0.2~0.2 |
||
Residual Quartz, R.Q.(%) |
≤1.5 |
||
Linear Expansion Rate (1500°C ), E.R. % |
≤1.25 |
||
Bulk Density, B.D. Checkered Bricks(g/cm³) Wall brick |
≈1.8 ≈1.85 |
||
True Density, T.D.(g/cm³) |
≤2.34 |