Fireclay mortar

Minimum order amount: 5 tons
Place of shipment: China
Al2O3: 28% - 42%
Fe2O3: ≤1.6% - 2.5%
Fire resistance: ≥1650℃ - 1730℃
Certification: ISO9001/ISO14001/ISO45001/ISO50001

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Description of fireclay mortar

Fireclay refractory mortar is called mortar МШ. Fireclay refractory mortar is a type of refractory material made using clay as the main raw material, which is usually mixed with clay, high-alumina cement, silicate, and other materials. It has good refractory properties and chemical stability and is suitable for the construction of building structures, fireplaces, chimneys, and other parts of buildings in high-temperature conditions. Translated with DeepL.com (free version)

Production of fire clay mortar

The production process for Fire clay refractory mortar is relatively simple. It typically involves mixing clay, high-alumina cement, and silicate in specific proportions, then adding an appropriate amount of water and stirring. The resulting slurry can be directly applied to refractory surfaces, and after drying and curing, it can be used as a refractory material.

Fire Clay mortar grade

Kerui Refractory offers МШ 28, МШ31, МШ 36, МШ 39, where the numerical designation indicates the percentage of aluminum oxide (Al2O3) in the mixture. The higher the percentage, the higher the refractoriness of the material.

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Characteristics of fireclay mortar

Name of indicator	Norm for brand
	MSH-42	MSH-39	MSH-36	MSH-31	MSH-28
Mass fraction, %
aluminum oxide (Al2O3), not less than	42	39	36	31	28
iron oxide (Fe2O3), not more than	2,5	1,8	1,6	-	-
sodium carbon dioxide (Na2CO3), in the range of	0,12-0,18
lignosulfonates (LST), within the limits of	0,07-0,13
Change of mass during calcination, within limits, %	5	1,3-3,2	1,3-3,0	1,8-3,2	1,3-3,0
Fire resistance, oC, not below	1730	1730	1730	1690	1650
Mass fraction of moisture, %, not more than	5	5	5	5	5
Grain composition, %, at passing through mesh no.	-	-	-	-	100
2 at least	-	-	-	-	100
1 at least	100	100	100	100	-
0.5 within	-	-	-	-	60-94
0.5 at least	95	95	95	95	-
009, within	60-85	60-85	60-90	60-85	-

Features of the fire clay mortar

Heat resistance

Mertel can withstand up to +1700 degrees Celsius. The exact temperature is brand specific. This makes the compound ideal for use in areas requiring reliable protection against open flames that threaten the integrity of the structure.

Strength

The finely ground powder with refractory properties fully retains the qualities of fireclay brick, the crumbs of which are present in its composition. It expands when heated, reliably fills and protects the joints from ruinous destruction.

Application of fire clay refractory mortar

Metallurgical industry

In the metallurgical industry, fire clay mortar is used in the production of steel and other metals. Refractory bricks are used in the manufacture of refractory furnaces, heating elements, crystallisers and other systems.

Chemical industry

Fire clay mortar is used in the production of chemicals, petrochemicals and pharmaceuticals. It is used in reactors, drying ovens, synthesis furnaces and other processes where high refractoriness and chemical resistance are required.

Energy industry

Fireclay mortar is used in the energy industry for the construction and repair of boilers, turbines, flue gas ducts and other systems where high temperatures and aggressive environments require refractory materials.

Glass production

Fireclay marl is used in the glass industry to create refractory furnaces where the raw mix is melted and molded into glass.

Ceramic kilns

Fireclay mortar is used in kilns for firing ceramic products such as tableware, tiles, sanitary ceramics and other products.

Metalworking

Fireclay mortar is used in furnaces for hardening, annealing and tempering of metal products, providing high thermal resistance and protection against high temperatures.