Refractory Gravity Castable
Specifications
The alumina, mullite and corundum series gravity refractory castables boast good construction performance and excellent serviceThe alumina, mullite and corundum series gravity refractory castables boast good construction performance and excellent service performances. The product is mainly used in the difficult construction parts of high-temperature industrial furnace, owing to the good fluidity of the material, it can be well stuffed into the unshaped body to ensure the construction quality. In addition, it can be made into quick gravity baking and anti-explosive castable as per the baking time required by the users.
|
Material
Item Brand |
High alumina |
Mullite |
Corundum |
|||||
YH-LZ60 |
YH-LZ 70 |
YH-LZ 75 |
YH-MZ60 |
YH-MZ70 |
YH-GZ80 |
YH-GZ90 |
||
Al2O3 % ≥ |
60 |
70 |
75 |
60 |
70 |
80 |
90 |
|
|
BD g/cm3 ≥
|
110°C x 24h |
2.3 |
2.5 |
2.6 |
2.3 |
2.5 |
2.7 |
2.8 |
MOR MPa ≥ |
110°C x 24h |
6 |
7 |
8 |
6 |
8 |
10 |
10 |
1350°C x 3h |
8 |
-- |
-- |
9 |
--- |
-- |
-- |
|
1500°C x 3h |
-- |
10 |
12 |
-- |
12 |
12 |
12 |
|
CCS MPa ≥ |
110°C x 24h |
30 |
30 |
40 |
30 |
40 |
50 |
60 |
1350°C x 3h |
40 |
-- |
-- |
45 |
-- |
-- |
-- |
|
1500°C x 3h |
-- |
55 |
60 |
-- |
60 |
70 |
75 |
|
Linear dimensional change % |
1350°C x 3h |
±0.5 |
-- |
-- |
±0.5 |
-- |
-- |
-- |
1500°C x 3h |
-- |
±0.5 |
±0.5 |
-- |
±0.5 |
±0.5 |
±0.5 |
|
|
Max service temperature °C |
1450 |
1550 |
1600 |
1500 |
1600 |
1600 |
1650 |
|
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