Place of Origin:
China
Brand Name:
CH Refractories
Certification:
ISO
Model Number:
CH-PB
Precast blocks for EAF roof is made by steel fibre reinforced ultra-low cement castables with corundum, spinel and mullite as the main materials, and characterized with high strength, good thermal shock resistance, good erosion resistance and long service life.
|
Product code |
CH-DSY80 |
CH-DSY85 |
CH-DSY90 |
CH-DSY92 |
|
Al2O3MgO/% |
80 |
85 |
90 |
90 |
|
Cr2O3/% |
---- |
---- |
---- |
2 |
|
Bulk density/gcm3 |
2.75 (110°C , 24h) |
2.90 (110°C , 24h) |
3.05 (110°C , 24h) |
3.05 (110°C , 24h) |
|
Cold crushing strength/ MPa |
40 (110°C , 24h) |
40 (110°C , 24h) |
40 (110°C , 24h) |
40 (110°C , 24h) |
|
60 (110°C , 24h) |
60 (110°C , 24h) |
60 (110°C , 24h) |
60 (110°C , 24h) |
|
|
Permanentlinear change/% |
0 .5 (1500°C,3h) |
0 .5 (1500°C,3h) |
0 .5 (1500°C,3h) |
0 .5 (1500°C,3h) |
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