High Alumina Refractory Mortar
High Alumina Mortar
High aluminum mortar is an essential material in building high-temperature kilns. This product has excellent bonding capabilities, especially when laying high alumina bricks. The quantity is usually 8%-10% of the weight of standard high alumina bricks.
Item | Common Type | Phosphate Bonded Type | |||||||
LN-55A | LN-65A | LN-75A | LN-85A | LN-55B | LN-65B | LN-75B | LN-85B | ||
Al2O33 (%) ≥ | 55 | 65 | 75 | 85 | 55 | 65 | 75 | 85 | |
Refractoriness(℃) ≥ | 1770 | 1790 | 1790 | 1790 | 1770 | 1790 | 1790 | 1790 | |
Cold Flexural Strength (Mpa) ≥ | 110℃ After Drying | 1.0 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
1400℃*3h After Burning | 4.0 | 4.0 | 4.0 | -- | 6.0 | 6.0 | 6.0 | -- | |
1500℃*3h After Burning | -- | 6.0 | -- | 6.0 | |||||
Refractoriness Under Load 2%(℃) ≥ | -- | 1300 | 1400 | 1400 | 1600 | ||||
Permanent Linear Change (%) | 1400℃*3h After Burning | 1-5 | 1-5 | 1-5 | -- | 1-5 | 1-5 | 1-5 | -- |
1500℃*3h After Burning | -- | 1-5 | -- | 1-5 | |||||
Bonding Time (Min) | 1-3 | ||||||||
Particle Size (%) | -0.1mm | 100 | |||||||
+0.5mm | 2 | -- | |||||||
-0.074mm | 50 | 40 | 50 | 40 | |||||
Features
1.Good plasticity and convenient construction.
2.High bonding strength.
3.Strong corrosion resistance.
4.High refractoriness.
5.Good slag resistance.
6.Good heat-stripping property.
