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Product description of Silica refractory mortar
Silica refractory mortar is an uncertain refractory, which is used as the joint of refractory bricks. It is composed of refractory powder, adhesive and additive in a certain particle proportion, and forms a mixed slurry of water or liquid adhesive. Silicon mortar mainly made of silicon powder or partially added silicon. The adhesive can be soft clay or chemical adhesive.
Features of Silica refractory mortar
High adhesion strength
High durability
Excellent construction performance
Excellent load softening performance
Application of Silica refractory mortar
Silicon refractory mortar is mainly used for masonry repair of hot blast furnaces, coke ovens, glass kilns, acid melting furnaces, etc. and other industrial furnaces built with silica bricks.
Parameters of of Silica refractory mortar
| Projects | RGN-94 | JGN-92 | BGN-96 | GGN-94 |
| SiO2(%) | ≥94 | ≥92 | ≥96 | ≥94 |
| Flexural bonding strength 110C after drying(Mpa) | 1,0 | 1.0 | 0.8 | 0.5 |
| Flexural bonding strength 1400*C*3h after firing(Mpa) | 3.0 | 3.0 | 0.5 | 1.5 |
| Load softening temperature(0.2MPa) | 1600 | 1500 | 1620 | – |
| Particle size composition +0.5mm (%) | 1.0 | 3.0 | 2.0 | 3.0 |
| Particle size composition-0.074mm (%) | 60 | 50 | 60 | 50 |
| Bonding time(min) d | 1-2 | 1-2 | 2-3 | 1-2 |
| Fire resistance cone number (cone number) | 170 | 166 | 172 | 170 |