Raw Materials for Refractory:Caustic Calcined Magnesite Products
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Caustic calcite magnesite is made from nature magnesite through calcining in reverberatory furnace,rotary furance and boiling furnace.This products calcine uniform possess stable quality,high purity and well-activeness, are used widely in paper making, chemical industry, production of pharmaceuticals,animal husbandry, rubber making refractory material and buliding material industry etc.
CAUSTIC CALCINED MAGNESITE
| MGO% | SIO2% | CAO% | LOI% | |
| CCM-67 | ≥ 67 | ≤ 8 | ≤3 | ≤11 |
| CCM-68 | ≥ 68 | ≤ 8 | ≤3 | ≤11 |
| CCM-69 | ≥ 69 | ≤ 8 | ≤3 | ≤11 |
| CCM-80 | ≥ 80 | ≤ 7 | ≤ 2 | ≤ 10 |
| CCM-85 | ≥ 85 | ≤ 6 | ≤ 2 | ≤ 8 |
| CCM-87 | ≥ 87 | ≤ 5 | ≤ 2 | ≤ 7 |
| CCM-90 | ≥ 90 | ≤ 4 | ≤ 2 | ≤ 6 |
| CCM-92 | ≥ 92 | ≤ 3 | ≤ 2 | ≤ 5 |
| CCM-94 | ≥ 94 | ≤ 2 | ≤ 2 | ≤ 4 |
| CCM-95 | ≥ 95 | ≤ 1 | ≤ 1.5 | ≤ 3 |
FUSED MAGNESITE
| MGO% | SIO2% | CAO% | LGL% | B.D g/cm3 | SIZE mm | |
| FM | ≤ 98 | ≤ 0.5 | ≤ 1.0 | ≤ 0.2 | ≤ 3.5 | ANY SIZE |
| FM | ≤ 97 | ≤ 1.2 | ≤ 1.2 | ≤ 0.2 | ≤ 3.5 | ANY SIZE |
WHITE FUSED MAGNESITE
| MGO% | SIO2% | CAO% | LGL% | B.D g/cm3 | SIZE mm | |
| WFM | ≤ 97 | ≤ 0.7 | ≤ 1.5 | ≤ 0.2 | ≤ 3.45 | ANY SIZE |
| WFM | ≤ 97.5 | ≤ 0.7 | ≤ 1.5 | ≤ 0.2 | ≤ 3.45 | ANY SIZE |
- Q: what is best for making refractory insulation for Blast furnace, hot stove.
- high alumina insulating brick diatomite?brick
- Q: what's the standard of fireproofing material?
- Class A1 is divided according to the combustion performance of GB8624-2006 building materials and products. Specific technical index requirements are: 1, the temperature rise ≤30 degrees;mass loss rate ≤50%; combustion duration time is 0; 2, main components, overall products, gross calorific value of external secondary components ≤2.0MJ/kg; any inner secondary component ≤1.4MJ/kg; (there are difference between homogeneous and non-homogeneous). Z802 building materials noninflammability testing furnace has to be used for testing technical indicators mentioned in test 1, using Z805 building materials combustion heat value to test technical indicators mentioned in test device 2.
- Q: What materials is silicious thermal insulation board made of?
- Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Of course the amount of insulation board materials used by different companies is different. In terms of Hua Heng, siliceous insulating boards can be divided into insulating panels for casting slabs and insulation board for intermediate tank according to the usage. The latter one can be divided into liner plate (wallboard, side panels, baseboard) and impingement plate based on parts it is used on. Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Method for manufacturing a silicon insulating panel is divided into semi-dry method and wet method. It is used for casting ingot insulation cap of the killed steel and continuous casting tundish.
- Q: Application of refractory materials in petroleum industry
- Our natural gas transportation, chemicals, equipment, packing, safety, insulation, and even building materials are available.
- Q: What are the requirements of the performances of brasque refractory?
- It is a kind of inorganic non-metallic material whose refractoriness is not lower than 1580 ℃. Refractoriness is the centigrade?temperature of refractory cone specimen wiyhout any load resisting high temperatures without melting down But only refractoriness can not fully describe the refractories, 1580 ℃ is not absolute. Refractory is now defined as material of physical and chemical properties allowing to be used in high temperature environments. Refractory is widely used in industries like metallurgy, chemical, petroleum, machinery manufacturing, silicates, power, etc., which is mostly used in the metallurgical industry, accounting for 50% to 60% of total output.
- Q: how does the fire endurance of first rate fire resistant window?
- how does the fire endurance of first rate fire resistant window? I really don't know it and I need a specific direct and detailed answer!
- Q: How can the furnace be replaced after the gasifier or water wall is replaced with refractory material?
- The furnace shall be made according to the type of refractory and the moisture content and the type of bond. Pay special attention to the discharge of free water and crystalline water, not too fast to prevent cracks!
- Q: What is the mechanism of the errosion of the iron to the refractories?
- For example, the effect of the iron oxide: Mo corundum given temperature Fe2O3 solid solubility limit of the solid solution formed of corundum stone high solubility than the solid solution Mo Mo corundum lattice shape so Fe2O3Al2O3-SiO2-based material starts melting temperature of the system or the content of Al2O3 and Al2O3 / SiO2 ratio off Al2O3 / SiO2 & lt; 2.55 starting melting temperature of 1380 ℃ when Al2O3 / SiO2 & gt; 2.55 start melting temperature is increased 1460 ℃ and with its Al2O3 content increased gradually to increase the original atmosphere Fe2O3 original FeO off the solvent into the glass phase and the system starts melting temperature drops do not fall to 1240 ℃ 1380 ℃. Lower the melting point, increase the erosion, and reduce the life span.
- Q: What are the additives and recipes of refractory?
- SM water reducing agent
- Q: What needs to be paid attention to in the construction of high- temperature refractory mortar?
- 1. During the use of high- temperature refractory mortar, the minimum mortar joint should be 0.5mm and general mortar joint should be 3-5mm, which can solve the processing and fine grinding of refractory brick on the brick grinder. Besides, it is conducive to the health of workers, and can reduce the masonry effort, ensure the quality and speed up the construction progress. 2. When making urgent repair on the stove, if the joint is much too large, 2-3mm refractory pieces can be appropriately added into the high- temperature refractory mortar, and stirred to fill the joint so as to shorten the repair time and ensure normal production. 3. High- temperature refractory mortar can be painted inside various furnace body, and it should be guaranteed that the surface of the furnace body has no dust or debris before painting.
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Raw Materials for Refractory:Caustic Calcined Magnesite Products
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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