- Henan Xinhongji Refractory Material Co. Ltd.
- China Manufacturer with main products:refractory bricks ,refractory castables ,firebricks ,refractory materials ,refractory honeycomb ceramic regenerators ,refractory ceramic balls ,Calcined Kaolin Clay ,Chromium Corundum Homogenizing particle ,refractory material powder ,Mullite Homogenizing particle ,Refractory powder ,Fire Clay
Home > Products > Refractory Bricks > High Thermal Thock Stability Magnesite Aluminate Refractory Blocks Magnesia Alumina Spinel Firebricks
High Thermal Thock Stability Magnesite Aluminate Refractory Blocks Magnesia Alumina Spinel Firebricks
- 5000 Ton / Tons per Month
- Tianjin/Qingdao
- T/T L/C Cash
- 10 days
- High Heat Spalling Resistance Magnesia Hercynite Firebricks Magnesia Iron Alumina Spinel Bricks
- High Density Alumina Thermal Insulation Sphere Ball Heat Storage Refractory Ceramic Balls
- 99% Alumina Content High Quality Refractory Corundum Castables
- High Abrasion Resistant Fireclay Heat Insulation Castables Chamotte Insulating Castables
- High Purity Aluminum Oxide Refractory Ball Thermal Insulation Ceramic Sphere Balls / Bead
- High Temperature Resistance Calcium Aluminate Phosphate Refractory Binders High Alumina Refractory Cements
Product Details
Brand Name: | Xinhongji Refractory | Place of Origin: | China | Model Number: | XHJMZ95 |
Shape: | Brick | Material: | Other, Magnesia Alumina Spinel | CaO Content (%): | 1 |
MgO Content (%): | 70~90 | SiO2 Content (%): | 0.5 | Al2O3 Content (%): | 5~20 |
Product Description
Magnesia Alumina Spinel bricks
Introduction:
Magnesia alumina spinel brick (also called Magnesia Aluminate Brick) is a high-grade basic refractory with periclase and spinel as the main raw minerals. Magnesium aluminate spinel was synthesized by solid oxide reaction route at 1400℃ then compressed by high-pressure molding and high-temperature sintering, the materials finally form into the stable spinel phase MgO·Al2O3 (MgAl2O4). At the same time, special mineralizer is added to make the crystal phase particles of products directly combine. It has the characteristics of high strength, good thermal shock stability and strong resistance to chemical erosion. It is mainly used in the upper and lower transition zone of cement rotary kiln and thermal kiln equipment requiring high temperature resistance and heat shock resistance.
Magnesia Alumina Spinel Bricks Properties
1. High melting point
2. Small thermal expansion
3. Low thermal stress
4. Good thermal shock stability
5. Stable chemical properties
6. Strong resistance to basic slag
Chemical & Technical Index
Items | XHJMA-70 | XHJMA-75 | XHJMA-80 | XHJMA-85 | XHJMA-90 | |
Chemical Composition | MgO, % | ≥70 | ≥75 | ≥80 | ≥85 | ≥90 |
AL2O3, % | ≥18 | ≥13 | ≥10 | ≥10 | ≥8 | |
SiO2, % | ≥6 | ≥5 | 1.2 | 1.0 | 0.6 | |
Apparent Porosity | % | ≤18 | ≤18 | ≤17 | ≤17 | ≤15 |
Bulk Density | g/cm3 | ≥2.80 | ≥2.90 | ≥2.90 | ≥2.90 | ≥2.95 |
CCS | Mpa | ≥40 | ≥40 | ≥50 | ≥60 | ≥60 |
RUL | ℃ | ≥1620 | ≥1650 | ≥1670 | ≥1700 | ≥1700 |
Thermal shock resistance(TSR) | 1100℃ (water, times) | ≥15 | ≥15 | ≥28 | ≥28 | ≥35 |
Characteristics
Excellent refractoriness
High resistance to chemical attack
High flexibility
Coating friendly
High resistance to thermal loads
Low thermal conductivity
Low porosity
Application
1. Cement kiln, magnesia alumina spinel bricks used in cement kiln can not only avoid chrome pollution and has good anti-stripping performance.
2. Steel –making refractory brick
3. Rotary Kiln with alternative fuel fired
4. Cement burning zone & Transition zones with increased thermal load
Packing & Shipping
1. Strong packing will protect the goods from any possible damage during transit.
2. Solid packing and overall stuffing can prevent packages from vibration and jarring.
3. Strict & standard packing can protect goods from pilferage or rain.
1. Pallet + plastic film + Carton+ fixed band,
2. Pallet + plastic film + fixed band .
3. pallets: 1*1m, 0.93*0.93m .
4. Gross weight: 1.6~2.0ton.
5. packaging according to customer service requirements.
Contact Us
- Henan Xinhongji Refractory Material Co. Ltd.
- Contact nameJacky Yan
- Phone86-371-55611337
- AddressZhongyuan District Zhengzhou,Henan
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