For hot blast furnace
For coke ovens
Good construction performance
Silica Mortar
Description
Silica mortar is an indefinite refractory material used as a joint in refractory masonry. It is composed of refractory powder, binding agent and admixture in a certain particle ratio, and is mixed with water or liquid binding agent to form a slurry. Silica mortarusing silica powder or adding part of the silica powder as the main material. The binding agent can be soft clay or chemical binding agent.
Features
- High bond strength
- High refractoriness
- Excellent load softening performance
- Good construction performance
Specification
| 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 |
Application
Silica mortar is mainly used for masonry repair of hot blast stoves, coke ovens, glass furnaces, acid melting furnaces, etc. and other industrial furnaces built with silica bricks.
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