Refractory Castable Low Cement Mortar For Fire Bricks
Refractory high alumina mortar for bricks is also as known as joint filler, it is composed of a certain particle ratio of refractory powder, binder and additive, pour water or liquid binder to tune into a paste.high alumina refractory mortar is prepared from high alumina clinker,
APPLICATIONS
Used for laying all types of refractory bricks and a layer between brick of any type.
Product Data
Specification | Data | |||||||
---|---|---|---|---|---|---|---|---|
55A | 55B | 65A | 75A | 75B | 85B | 85B | ||
Refractoriness℃ | 1770 | 1770 | 1790 | 1790 | 1790 | 1790 | 1790 | |
Al2O3% Min | 55 | 55 | 65 | 75 | 75 | 85 | 85 | |
Cold Bending Resistance,Bonding Strength Min | 110℃ | 1 | 2 | 1 | 1 | 2 | 2 | 2 |
1400℃×3h | 4 | 6 | 4 | 4 | 6 | - | - | |
1500℃×3h | - | 6 | 6 | |||||
0.2MPa load softening temperature, ℃ Min | - | 1300 | - | - | 1400 | - | 1650 | |
Linear Change Rate,% | 1400℃×3h | +1~-5 | - | |||||
1500℃×3h | - | - | ||||||
Bonding Time,Min | 1~3 | |||||||
Grain Size Percent | -1.0mm | 100 | ||||||
+0.5mm Max | 2 | |||||||
-0.074mm Min | 50 | 40 |
Advantages:
1 Good plasticity and convenient construction.
2 High bonding strength and strong corrosion resistance.
3 High fire resistance, up to 1750 ℃.
4 Good slag penetration resistance.
5 Good thermal spalling.