Wear-resistant plastic, which is made of special grade alumina, mullite, corundum, siliconcarbide as aggregate and matrix material, mixed by adding binder, additive and plasticizer.
Wear-resistant plastic, which is made of special grade alumina, mullite, corundum, siliconcarbide as aggregate and matrix material, mixed by adding binder, additive and plasticizer. The material has high strength, good wear resistance, excellent corrosion resistance and plasticity, long shelf life, and convenient construction and oven. Applicable to the anti-wear lining of various CFB boilers, it is an ideal material for repairing the furnace, which can shorten the oven time.
|
Item |
MP-1 |
MP-2 |
MP-3 |
|
|
AL2O3% ≥ |
68 |
72 |
75 |
|
|
Refractoriness /℃ ≥ |
1790 |
1790 |
1790 |
|
|
Bulk density g/cm3 ≥ |
2.5 |
2.6 |
2.7 |
|
|
Flexural strength/ MPa ≥
|
110℃×24h |
10 |
11 |
12 |
|
1100℃×3h |
12 |
13 |
18 |
|
|
Compressive strength/ MPa ≥
|
110℃×24h |
50 |
60 |
65 |
|
1100℃×3h |
80 |
90 |
95 |
|
|
Normal wear /cm3 ≤ |
10 |
9 |
8 |
|
|
Thermal Conductivity W/m.k |
1.5 |
1.5 |
1.5 |
|
|
Thermal shock stability (900℃ ,water cooling) time≥ |
30 |
30 |
30 |
|
|
Plasticity index /% |
15～40 |
15～40 |
15～40 |
|
|
Maximum Service temperature/℃ |
1500 |
1550 |
1600 |
|
Dry rammmg mixes for EAF bottom are made from high quality magnesite and Fe2O3-CaO magnesite, and show the features of excellent resistance against steel penetration, superior erosion resistance, easily-sintering, high bulk density and easy installation.
Castables for Iron Runner use dense corundum, brown corundum, high-quality rock, and high-quality SiC as the main raw materials. Castables for Iron Runner is made of low-cement and ultra-low-cement castable technology.
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.
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