Raw Materials for Synthetic Magnesite Refractory Products
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High iron synthetic magnesite, high iron & high CaO magnesite,magnesite alumina spinel, magnesite chrome spinel. All the kinds of synthetic magnesite and spinel are made from high quality magnesite ore and dolomite ore, by requiting and sintering them at high temperatures together with iron powder, chrome powder, and bauxite as an additive.
Index | Chemical Compostion /% | Physical Index | ||||
Brand | MgO | Al2O3 | SiO2 | CaO | Fe2O3 | BD/g/cm3 |
MTS-68Aa | 68-80 | ≤2.5 | ≤9.0 | ≥10.0 | ||
MTS-68Ab | 68-80 | ≤3.0 | ≥10.0 | |||
MTS-68Ac | 68-80 | ≤5.0 | ≥10.0 | |||
MFC-83A | ≥83 | ≤1.0 | 7-8 | 6-8 | ||
MFC-83B | ≥83 | ≤1.2 | 7-9 | 6-8 | ||
MFC-83C | ≥83 | ≤1.5 | 7-9 | 6-8 | ||
MAS | 28-29 | 64-65 | 5-8 | 1.2 | 3.20 | |
MCa-32 | 63-65 | ≤1.0 | 31-33 | ≤3.0 | 3.30 | |
MCa-25 | 72-74 | ≤1.0 | 23-25 | ≤1.0 | 3.30 | |
Synthetic Magnesite is a kind of industry raw materials with properties of moderate basicity and chemical activity, widely used in the fields of national defense, medical, chemical, paper-making, shipbuilding and environment protection etc.
l Its primary technology application contain the areas as following: cellulose acetate, drilling mud, fire retardance filling, flue gas desulfurization, leather-making, oil refining additive, medical industry, rubber and plastics industry, sugar industry and wastewater treatment etc.
- Q: What is streaming fireproof material?
- Since streaming fireproof material has less surface energy, so when it is placed in a location to be used, it can be automatically filled so long as mixed with water at proper ratio. And then using vibrator or vibrostand and other tools to compact the mixture so as to satisfy the use requirements. Therefore, it does not require vibration, and it has less friction force between the particles. Generally hydraulic refractory castable must be mixed with water at proper ratio when in construction . While, the concept of "streaming" is in terms of refractory castable.
- Q: Are fire materials poisonous after burning?
- High temperature oxide materials in refractory special applications, such as aluminum oxide, lanthanum oxide, beryllium oxide, calcium oxide, zirconium oxide, refractory compounds, such as carbides, nitrides, borides, silicides and sulfides; high temperature composite materials, including metal ceramics, high temperature inorganic coatings and fiber reinforced ceramics.
- Q: What problems should be paid attention to while using refractory materials under a controlled atmosphere?
- Pay attention to the performance of the materials, and the use of non oxide materials!
- Q: What's the difference between refractory metal raceway and fireproof raceway?
- Fire protection slot won't cause fire accident under the temperature of no more than 200℃. While the refractory cable tray is made with refractory materials and can withstand high temperature of 800℃ with no fire accident happening. The test standard depends on the maximum temperature it can endure. Hope it's helpful for you!
- Q: What refractories have good mechanical property resistance and heat expansion and cold contraction property?
- Aluminium oxide ceramics. I would like to know that what kinds of refractory materials can combine together and what kind of masonry way can be used for these materials so as to achieve the perfect combination.
- Q: Which industry does the metallurgy and thermal insulating and refractory material belong to?
- According to "New Economic Industrial Classification", the metallurgy and the thermal insulation refractory matter belong to C category. The manufacturing industry has 30 categories. The non-metallic mineral products industry has 303 classes. The production of building materials of tiles, stones, ect. refers to clay, ceramic tile production, building stone processing, building materials produced by wastes or drogs and subcategories 3035 produced by other building materials. The manufacture of thermal and acoustic insulation materials refers to the manufactuer of mineral insulation materials and other products, like rock wool, mineral?cotton, expanded perlite and expanded vermiculite used for thermal insulation and sound insulation, but it does not include the production of 3039 subcategories, like asbestos thermal insulation and sound insulation materials, and other construction materials.
- Q: What is shapeless refractory with high performance?
- The popular ones are: Non-cement fine powder bonded castable is a functional refractory castable with nano material introduced.
- Q: What is the fireproofing requirements of external wall thermal insulation materials?
- in the 2011 and 2012 revised version of "Fireproof? Specification of Building Design" in China, the external insulating layer of above 50 meters (approximately 16 layers) of the housing must use the level A material. The latest draft for approval is not so strict, above 100 meters (about 33 layers) only use level A material. The manuscript of "Building Regulations" is also regulated building's external wall thermal insulation materials in the crowded places should be level A. Except the residential buildings and the buildings in the crowded places, the height of other buildings is greater than 50 meters, combustion performance of insulation materials should be level A; the height buildings is greater than 24 meters but not more than 50 meters, combustion performance of insulation materials should not be lower than level B1. "Building Regulations" manuscript should relax the rules on the aspect of protective coating in level B1 and B2 insulation material. The outer of level B1 and B2 level insulation material must use incombustible?material as protective coating, its thickness is changed from the original 10 cm to 5 cm. Given certain conditions, I feel you can use TDD exterior wall thermal insulation decoration integrated rock wool board for construction, which is level A fireproofing with a short construction period and good thermal insulation properties. I hope I can help you!
- Q: What are the material requirements of class A fire resistant door ?
- It must meet standards of the national regulation. You may search on Baidu.
- Q: I wanna ask about the thermal insulation material fire resistant level?
- The inorganic have glass wool \ foam glass Bian \ the best of organic is phenolic foam \ phenolic foam composite cement layer is level A.
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Raw Materials for Synthetic Magnesite Refractory Products
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