White corundum castable is a high-quality high-temperature refractory material, with high-purity alumina powder as the main raw material, and the impurity content is extremely low.
During the production process, a small amount of auxiliary materials such as flux and binder may be added to improve the performance and construction performance of the castable.
(1) Good high temperature stability
(2) Good structural density
(3) Strong wear resistance
(4) Good slag resistance
(5) High shock resistance
(6) Good corrosion resistance
(1) High temperature kiln
(2) Petroleum industry
(3) Fertilizer industry kiln
(4) Furnace resistant to high temperature
|
Brand Performance |
ZJ-1 |
ZJ-2 |
ZJ-18A |
ZJ-18HS |
ZJ-18H |
|
|
Chemical composition% |
Al2O3 |
≥98 |
≥95 |
≥95 |
≥95 |
≥95 |
|
SiO2 |
≤0.2 |
≤0.5 |
≤0.2 |
≤0.4 |
≤0.4 |
|
|
Maximum use degree℃ |
1850 |
1800 |
1800 |
1800 |
1800 |
|
|
Volume density after baking at 110℃ g/cm3 |
≥3.1 |
≥3.0 |
≥2.9 |
≥3.0 |
≥3.1 |
|
|
Line change after firing at 1500℃×3h% |
-0.2—0.6 |
-0.2—0.6 |
-0.2—07 |
0.1 — -0.3（1100℃） |
±0.5 |
|
|
Compressive/flexural strength MPa |
110℃×24h |
≥20/≥4 |
≥60/≥7 |
≥50/≥4 |
≥60≥8 |
≥70/≥7 |
|
1100℃×3h |
≥50/≥6 |
≥70/≥8 |
...... |
≥70/≥9 |
≥80/≥10 |
|
|
1500℃×3h |
≥60/≥10 |
≥100/≥15 |
≥100/≥15 |
≥120/≥10 |
≥150/≥15 |
|
|
Maximum particle size mm |
5-6 |
5-6 |
5-6 |
3 |
5-6 |
|
|
Construction water consumption% (weight ratio) |
5-6.5 |
5-6.5 |
5-6 |
5-6 |
5-6 |
|
|
Inspection standard brick |
YB/T5202-2003 |
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