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.

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Q:What is the biggest difference between refractory bricks and clay refractory bricks? Where can I find information on the refractory bricks?
You can look up knowledge manual of refractory material to find phosphatic material, etc. Xinjiang refractory bricks, castable refractory, refractory material, silicious, corundum and alumina-magnesia: High alumina and clay refractory bricks can be divided into
Q:hat kind of fire retardant materials are there
At present, there are mainly organic and inorganic flame retardant materials, halogen and non halogen. Organic flame retardant materials are represented by bromine, nitrogen and phosphorus and its compounds; Inorganic fire retardant materials include antimonous oxide, magnesium hydroxide, aluminum hydroxide, and silicon. Generally speaking, organic flame retardant materials have a good affinity, and can be added in the plastics. Brominated flame retardant agent occupy the absolute advantage among organic flame retardant system, though it’s “controversial” in terms of environmental protection, it has been difficult to have other flame retardant system replaced.
Q:How to distinguish the fire resistant level of the rubber and plastic thermal insulation material?
It is divided into level A, B1, B2 and B3. According to the current "burning behavior of building materials classification method", Level A insulation material is a non-combustible material, which belongs to YT. However, from the point of view of the current market , level A insulation material are very few, only glass wool, rock wool board, foam glass and vitrified micro bead. However, compared with level A insulation material, the more welcomed by the market is the organic insulation material. This is characterized as thermal insulation material, which is divided into three levels: level B1 is flame retardant, level B2 is flammable and level B3 is flammable. The level B1 nonflammable thermal insulation material is determined according to the fire endurance of the material. And different parts of the material are divided differently! Such as the common EPS / XPS insulation boards through special treatment of adding flame retardant. . Level B2 combustible insulation material is commonly the EPS expanded polystyrene foam insulation board and XPS board, that is, the ordinary plate. This material has low ignition point, and releases large amounts of harmful gases in the combustion process . Level B3 flammable insulation material is commonly the thermal insulation material taking polystyrene foam as the main material. Since this material is highly flammable, it has been out of the external wall thermal insulation materials. As for the civil construction insulation materials, China's current popular building insulation materials in the market are mainly made of three organic foams: EPS (molded polystyrene board), XPS (extruded polystyrene board) and PU (polyurethane).
Q:The classification of clay according to refractoriness, and what is the plasticity and plasticity index of clay?
Q:what kind of fireproof materials is used for high rise buildings?
steel is recommended As a form of high-rise building structure, steel is widely used especially in the ultra-high-rise and long span construction showing strong vitality, for its high strength, light weight, and good extensibility, resistance to shock and short construction period. The mechanical strength of steel decreases with rising temperature at about 5000 ℃, decreasing about 40%-50%. the mechanical properties of steel, such as yield points, compressive strength, elastic modulus, and load capabilities have declined rapidly , quickly losing their ability to support, leading to building collapse. Therefore, it is imperative to protect steel structures. Brushing or spraying the coating on the surface of steel structure to prevent burning and insulate heat. It also prevents undermining the rolled steel from rapid temperature elevation and avoid collapse of building for lose of supporting capacities.
Q:What is refractory aggregate?
It includes two categories: coarse aggregate and fine aggregate.
Q:How many types of fire-resistant material?
1. Acid fire-resistant material refers to one with more than 93% SiO2. It is featured by resistance to the corrosion of acidic slag ad high temperature and easy to react with alkaline molten slag. 2. Alkaline refractory material generally refers to one with magnesium oxide or magnesium oxide and calcium oxide as the main component. It has high refractoriness and strong resistance to basic slag. 3. Silicate aluminum refractory material refers to one with SiO2, Al2O3 as the main component. According to the content of Al2O, it can be divided into three categories: half siliceous (15-30% Al2O3), clay (Al2O3 30 ~ 48%), high aluminum (more than 48% of Al2O3). 4. Fused cast refractory material refers to shaped refractory products made by high temperature melting and casting.
Q:whether the aluminum silicate thermal insulation material is fireproof or not?
aluminum silicate is fireproof, and the melting point is between -40 ~ 800 ℃. Aluminum: it takes the flint clay clinker as raw material, produced by resistance or electric arc furnace fusion and injection fiber-forming process. its characteristics: Low thermal conductivity, excellent thermal and chemical stability, without binder and corrosive material.
Q:What are the differences of ceramics and refractories? Is the ceramics belonging to refractories?
Ceramic pottery ceramic collectively known species of high water absorption and low-grade sinter clay brick, tile-like material; high stone kinds of porcelain clay plus clay and other raw sintered body strength, low water absorption bowls, plates and other kinds of refractory high temperature structural materials are all non-machine ceramic refractory metal material belonging to a broader definition of ceramic refractory ceramic can be attributed to the high temperature ceramic refractory.
Q:Can someone professionally introduce the classifications of refractories?
Whatare the classifications of the refractory index levels? There are three categories of refractory index levels. Anyone familiar with the industry may already know that if you're new to the refractory and don't know much about it, the following information may be helpful to you. Refractory index level can be devided into three general categories of special refractories, advanced refractories and ordinary refractories. The first category, special refractories. Whose refractoriness is higher than 2000 ℃, spinel brick, pure oxide products, high purity directly bonded magnesia-chrome brick, cast products, non-oxide products belong to this grade. The second category, advanced refractories. Whose refractoriness is from 1770 to 2000 Celsius degrees, mullite bricks, high alumina brick, magnesia-alumina brick, ordinary magnesia products, olivine bricks, ordinary magnesia-chrome brick belong to this grade. The third category, ordinary refractories. Whose refractoriness is between 1580 and 1770 Celsius degrees, equivalent to Al2O315% ~ 45% refractory products in the binary system of SiO2-Al2O3. Kaolinite is the main mineral of raw materials.

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