Mlj88 Sintered Magnesia Refractory Bricks with High Refractoriness
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Product Highlights
- Chromium-Free Design: New chrome-free alumina-magnesia spinel bricks developed for cement rotary kilns.
- Excellent Corrosion Resistance: Highly resistant to chemical attack from volatile alkalis and slags in transition zones.
- Professional Manufacturer: Over 40 years of manufacturing experience with 200,000 tons annual production capacity.
- Strict Quality Control: Complete QC system for chemical and physical properties with quality certificates.
- Fast Lead Time: Typical delivery within 15-20 days after receiving the purchase order.
- Free Sample Available: Free samples provided, with buyer bearing freight costs.
Product Attributes
- Customization
- Available
- Application Zone
- Transition Zone
- Bulk Density
- 2.9
- Model NO.
- MLJ
- Apparent Porosity
- 16
- Tsr
- 100
- Rul
- 1000
- CCS
- 65
- Thermal Conductivity
- 3.713
- Refractoriness (℃)
- 1580< Refractoriness< 1770
- Feature
- Long Time Materials
- Type
- Refractory Material
- Shape
- Brick
- Material
- Magnesia-Alumina
- Transport Package
- Pallet
- Specification
- MgO, Al2O3
- Trademark
- LZR
- Origin
- Shandong
- HS Code
- 6902200000
- Production Capacity
- 100000tons
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Product Description
Los ladrillos de espinela de alúmina LZR Magnesia son nuevos refractarios libres de cromo desarrollados para el horno rotatorio de cemento.
Para servir en condiciones severas, los ladrillos de espinela de alúmina de magnesio LZR tienen una excelente resistencia mecánica, buena resistencia al choque térmico y son altamente resistentes al ataque químico de los álcalis vilatiles y algunas escorias.
Fabricamos y diseñamos NUESTROS ladrillos para cumplir con los requisitos de una gran variedad de condiciones de servicio a través del control de calidad. Con un rendimiento sobresaliente, nuestros productos se han utilizado ampliamente en los proyectos de cemento nacionales y extranjeros.
Characteristics:
Resistencia a la corrosión química
Gran estrés mecánico térmico.
Excelente resistencia al desgaste
Los refractarios más altos
Resistencia al choque térmico
Application:
Transition zone of cement rotary kiln.
Specification of the bricks:
1.Top grade sintered magnesia;
2.Alumina-magnesia spinel (hercynite)
Chemical composition and physical properterties
| Chemical Composition | UNIT | SPEC | TYPICAL | |
| MgO | % | ≥87 | 87 - 88 | |
| Al2O3 | % | ≥9 | 9 - 11 | |
| SiO2 | % | 0.8 | ||
| Fe2O3 | % | 0.6 | ||
| CaO | % | 1.0 | ||
| Physical Properties | UNIT | SPEC | TYPICAL | |
| Bulk Density | BD | g/cm3 | ≥2.9 | 2.9-3.0 |
| Apparent Porosity | AP | % | ≤17 | 16 |
| Thermal Shock Resistance | TSR - in air at 950 °C | cycle | ≥100 | 100 |
| Refractoriness Under Load | RUL (ta) | °C | ≥1700 | >1700 |
| Thermal Expansion | TE - at 1000 °C | % | 1.3 | |
| Cold Crushing Strength | CCS | MPa | ≥45 | 65 |
| Thermal Conductivity | TC - at 700 °C | W/mK | ≤3.8 | 3.713 |
| Note: The above datas are the representative average value measured in accordance with the test methods for general purpose and vary with the fluctuations of normal production conditions.These datas are provided as a technical service,sometimes may be adjusted, so they should not be regarded as the product index. | ||||
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Company Information:
Fundada en 1979, reformada a la sociedad anónima en 2002
Fabricante profesional de refractarios para hornos de cemento, la capacidad total de producción es de 200,000 t / a
Los 3 principales proveedores de refractarios para hornos de cemento en China
Proveedor de tecnología completa (desde refractarios básicos hasta ácidos) 70% de productos fabricados para la industria del cemento
La primera compañía en inventar el ladrillo de Magnesia Hercynita en China
La primera compañía en inventar el tubo de cerámica para precalentador en todo el mundo
Our Services:
- Las muestras gratuitas están disponibles por flete por cobrar;
LZR le actualizará cualquier proceso de producción después de realizar el pedido.
Control de calidad estricto y entrega rápida
Productos de alta calidad, perfecto servicio de preventa y postventa.
Nuestro equipo especial de posventa para resolver su problema a tiempo.
Cualquier pregunta recibirá nuestros comentarios lo antes posible.




- Packing and transportation
- Packaging : Packed by sea-worthy wooden pallet + shrink plastic wrapped + carton
- Shipping : 384PCS/plt X 18plts in one 20 feet container;
FAQ
Q1 : Do you provide free samples?
A1 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.
Q2 : How can you control your quality?
A2 : For each production processing, LZR have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q3 : What is your lead time?
A3 : It usually needs about 15- 20 days after receiving the PO.
Q4 : What is your payments terms?
A4 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
Q5 : Are you a trading company or manufacturer?
A5 : We are a manufacture for more than 40 years history. And you are welcome to visit us. 
Why Choose Us
1) alta seriedad y profesionalidad para resolver sus problemas. Somos fabricantes de materiales refractarios, por lo que podemos proporcionarle soluciones profesionales sobre sus problemas de horno.
2) Nuestros productos se venden a Europa, Sudáfrica, Irán, Japón, Corea, etc. en los últimos años. Tenemos buena reputación entre nuestros clientes.
3) Controlamos nuestro tiempo de producción y calidad. Garantizar nuestro tiempo de entrega.
4) Podemos proporcionarle los productos aprroprate para su satisfacción, y lo que obtendrá de nosotros es nuestro mejor esfuerzo en servicio y profesionalismo.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI175253". Items marked "" are certified.
Company Profile
Luzhong Refractories Group
LZRefractories is one diversified refractory materials group. We have been established for more than 40 years and products cover raw materials, refractory bricks, castables, ceramic products, new materials, carbon materials, etc, which are applied in fields of Cement, Limes, Iron & Steel, Non-ferrous, Refractories, Carbon, etc.
The core business is Luzhong refractory for rotary kilns, especially the cement. It is the top 3 supplier of refractories for cement kilns in China, and it also the most comprehensive complete technology provider (covering from basic to acid refractories). The 70% products manufactured are for cement industry now.
Main products for cement kilns:
Magnesia Hercynite brick for burning zone: 1# invented in the domestic;
Magnesia Alumina Spinel brick ( MLJ series) for transition zone: Widely used in the Europe kilns deal with the alternative fuels;
LTC-Magnesia Alumina Spinel brick ( MLJ series-two layers) for transition zone: 1# invented worldwide, Energy-saving brick;
LTC-Anti-Spalling brick (DDR50FH/DDR30) for preheating/safety zone: 1# invented worldwide, Energy-saving brick.
Our products have gain great reputaion home and abroad, with our professionalism, we will get more porpular around the world.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory
- Address
- Nie Cun, Zichuan, Zibo, Shandong, China
-
Plant Area
- 32000 square meters
-
Number of Employees
- 186
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
Our Production Capability & Technical Expertise
-
Main Products
- Refractory Brick, Refractory Castable
-
Production Machines
- Smashing machine, Mixing machine, Burning production line
-
OEM Service Available
- Yes
-
R&D Engineers
- 7 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2002-04-01
- Export Year
- 2002-04-01
-
Main Markets
- North America, Europe, Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
FAQ
- Do you provide free samples?
- Yes, free samples are available, generally speaking, the buyer shall bear all the delivery cost.
- How can you control your quality?
- For each production processing, LZR have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
- What is your lead time?
- It usually needs about 15- 20 days after receiving the PO.
- What is your payments terms?
- We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
- Are you a trading company or manufacturer?
- We are a manufacture for more than 40 years history. And you are welcome to visit us.
Send your message to this supplier
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