Special refractory mortar is a multi-purpose refractory bonding material designed for the installation of various special refractory bricks.
Air-hardening and heat-hardening binders are available depending on the application requirements.
Good workability.
Low shrinkage during curing.
High bonding strength.
Suitable for the installation and laying of special-shaped refractory bricks, and formulations can be customized according to customer requirements.
Type | Sillimanite Mortar | Mullite Mortar | Mullite Corundum Mortar | Corundum Mortar | Zircon Mullite Mortar | Zircon Mortar |
Refractoriness ℃ | 1750 | 1790 | 1790 | 1790 | 1790 | 1790 |
MaximumParticle size mm | 0.5~1 | 0.5~1 | 0.5~1 | 0.5~1 | 0.5~1 | 0.5~1 |
Bonding strength MPa (200 drying) | 8 | 10 | 10 | 10 | 10 | 8 |
Al2O3 % | ≥60 | ≥70 | ≥80 | ≥95 | ≥60 | / |
Fe2O3 % | ≤1.0 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
ZrO2 % | / | / | / | / | ≥20 | ≥60 |