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Parameters
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Comments
| AL2O3,%: | ≥70 | Bulk Density G/cm3: | ≥2.7 |
|---|---|---|---|
| Fe2O3: | ≤1 |
High Alumina Refractory Castable , High Temperature Insulating Castable Refractory
Description:
High Strength Wear-Resistant Corundum Mullite Refractory Castable has high crushing strength, good high temperature volume stability and thermal shock stability, excellent wear resistance and erosion resistance. It is can be used in lining of large power station boiler and other lining of high temperature furnace .
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
physical and Chemical Indicators:
|
Items |
NGM-1 |
NGM-2 |
NGM-3 |
|
|
AL2O3 |
≥70 |
≥75 |
≥85 |
|
|
SiO2 |
≤25 |
≤17 |
≤13 |
|
|
Fe2O3 |
≤1 |
≤1 |
≤1 |
|
|
Bulk Density g/cm3 |
≥2.7 |
≥2.8 |
≥2.9 |
|
|
Cold Crushing Strength MPa |
110℃×24h |
≥100 |
≥110 |
≥120 |
|
1100℃×3h |
≥100 |
≥110 |
≥120 |
|
|
1400℃×3h |
≥115 |
≥120 |
≥125 |
|
|
MOR MPa |
110℃×24h |
≥15 |
≥15 |
≥15 |
|
1100℃×3h |
≥16 |
≥17 |
≥18 |
|
|
1400℃×3h |
≥17 |
≥18 |
≥19 |
|
|
0.2MPa Refractoriness Under Load ℃ |
≥1450 |
≥1480 |
≥1500 |
|
|
Thermal Shock Resistance, Times, [900℃, water-cooling] |
≥25 |
≥25 |
≥25 |
|
|
Maximum Service Temperature,℃ |
1550 |
1550 |
1600 |
|
|
Linear Dimensional Change % |
≤-0.3 |
≤-0.2 |
≤-0.2 |
|
Competitive Advantage:
- Competitive Price. Make the products competitive in your market.
- Abundant Experience. Prevent cracks and twist in bricks.
- Different Moulds. Save mould fees for you.
- Strict Quality Control. Meet clients’ quality requirement.
- Large stocks. Guarantee prompt delivery.
- Professional Packing. Avoid damage and secure the goods in transportation
