Description of Mullite Merlite
Mullite mertel is a gray-colored refractory powder used for bonding refractory bricks together and filling joints in refractory masonry.
Composition of mulled marl
MML-62 Mertel consists of aggregate and binder; its chemical and mineralogical composition should, as a rule, correspond to the nature of the masonry refractory. MML-62 Mortar is a finely ground refractory mortar designed for bonding bricks and other products that resist thermal stresses well. In addition, this mortar is used to fill masonry joints. MML-62 is diluted with water (or any other liquid) at the construction site immediately before application.
Characteristics of silica refractory mortar
| Name of indicator | Norm for brand |
|---|---|
| Mass fraction, % | |
| aluminum oxide (Al2O3), not less than | 62 |
| iron oxide (Fe2O3), not more than | 1,5 |
| 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, % | 1,5-3,0 |
| Fire resistance, oC, not below | 1730 |
| Mass fraction of moisture, %, not more than | 5 |
| Grain composition, %, at passing through mesh no. | - |
| 2 at least | |
| 1 at least | - |
| 0.5 within | 100 |
| 009 at least | 70 |
| 009, within | - |
Advantages of MML-62 multiple binder
High fire resistance
MML-62 is highly refractory, allowing it to withstand the extreme temperatures that occur in industrial furnaces and units.
Chemical inertness
MML-62 has chemical inertness to various substances, which allows it to retain its structure and strength when exposed to aggressive chemical media.
Low thermal conductivity
MML-62 has low thermal conductivity, which helps improve the thermal insulation and energy efficiency of furnaces and appliances.
Good erosion resistance
The mullite in the composition of mullite refractory mertel has good resistance to erosion by acids and alkalis, and is able to maintain stability and strength in corrosive environments such as acidic and alkaline.
High abrasion resistance
The mullite in mullite refractory mertel has excellent abrasion resistance and is able to maintain its stability and strength under conditions of prolonged abrasion and friction.
Good adhesion
MML-62 Mercury provides good adhesion between aluminosilicate products, ensuring a strong and reliable bond.
Application of MML-62 Merl-62
Industrial furnaces
MML-62 Mertel is used for masonry of industrial furnaces such as blast furnaces, mining and metallurgical furnaces, burners and others. It provides bonding and support for refractory bricks and blocks, withstanding high temperatures and aggressive environments.
Steel ladles
In the steelmaking industry, MML-62 is used for masonry and repair of steel ladles. It is able to withstand high temperatures and chemical corrosion, ensuring durability and reliability of the structure.
Mixers and agitators
In certain processes, such as ceramic material production or chemical reactions, MML-62 Merchant is used for masonry and lining of mixers and agitators. It provides resistance to high temperatures and chemical attack, maintaining the integrity and efficiency of the equipment.
Metallurgical and steel industry
MML-62 is used in steelmaking processes, including masonry and repair of steel casting ladles, furnaces for heating and melting of metal. It withstands high temperatures and aggressive chemical environments, ensuring the longevity and stability of furnace equipment.
Ceramic industry
In the ceramic industry, MML-62 is used for laying and repairing kilns for firing ceramic products such as tiles, dishes, bricks and others. It can withstand high temperatures and provides a stable thermal environment for the firing process.
Energy industry
In the energy industry, MML-62 is used for masonry and repair of boilers, burner systems and other systems related to energy production. It provides thermal resistance and protection against high temperatures.
Storage of mullite marl
Merl should be stored in covered warehouses, containers, strong and capacious plastic bags or bunkers. The storage conditions should exclude possible moistening or clogging of the powdered material.
