Low porosity fireclay bricks
Low porosity fireclay bricks, Low apparent porosity, Strong erosion resistance, High refractoriness under load
Description
Low porosity fireclay bricks for glass furnace
Features: low apparent porosity, strong erosion resistance, high refractoriness under load. It is widely used in various industrial furnaces.
Item: |
DN-10 |
DN-12 |
DN-15 |
DN18 |
Al2O3 % ≥ |
45 |
45 |
42 |
42 |
Fe2O3 % ≤ |
1.00 |
1.20 |
1.65 |
1.80 |
Apparent porosity % ≤ |
10 |
12 |
15 |
18 |
Bulk density g/cm3 ≥ |
2.40 |
2.37 |
2.30 |
2.25 |
Cold crushing strength, Mpa ≥ |
70 |
65 |
60 |
48 |
Refractoriness,≥ |
1750 |
1750 |
1750 |
1750 |
0.2Mpa refractoriness under load T0.6≥ |
1500 |
1470 |
1450 |
1400 |
Permanent linear change %, 1400×2h |
0.10.5 |
0.10.5 |
0.20 |
0.40 |