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Mullite Refractory Mortar

Mullite Refractory Mortar

Fire Clay

Item Code:A4106

Composition of mullite refractory mortar
Mullite refractory mortar is produced by mixing sintered or fused cast mullite powder, soft clay, adhesives and additives. It should be mixed with water and well stirred while being used.


Mullite refractory mortar is commonly suitable for the masonry of mullite bricks in blast furnace, hot blast furnace, ceramic burner, glass furnace and other industrial kilns and thermal equipment.


Mullite slurry has characteristics of high strength at high temperature, good air impermeability and high temperature performance, strong resistance of scour and erosion, appropriate bonding time, no material trapped, no precipitation, no flow, good construction performance, high load softening point and low temperature sintering shrinkage.

Physical and Chemical Indicators

Trademark Material AL2O3(%)≥ Refractoriness(℃)≥ Particle size(%) Bonding time(min) Bending Strength MPa RUL T2
+0.5mm≤ -0.076mm≥ 110℃  drying After sintered≥ (℃)≥


MP-75 Mullite 65 1790 1 50 1~2 2 1400℃×3h 6.0 1400
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