Fused Magnesite High Grade for Refractory Field
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- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000 m.t./month
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Product Description
Quick Details
Place of Origin: Liaoning, China
Application: Refractory
Shape: Block
Material: Magnesite
Chemical Composition: Mgo;CaO;SiO2
Mgo:96%-97%
Product name: FM
Payments terms: 1. 100% L/C at sight 2. 30% T/T prepayment, balance against BL copy
Delivery Time: Within 30 days after receiving L/C or 30% T/T prepayment
Usage: Metallurgy, Foundry, Abrasive, Refractory, Deoxidizer
Advantage: Timely Shipment, High quality, Good performance
Packing: 1mt/bag or as customers' requirements
Size: 0-30mm etc
Sample supply: free sample
Color: Brown, white
MOQ: 25Mt
Supply Ability
Supply Ability:1000 Metric Ton/Metric Tons per Month
Grade | MgO | SiO2 | CaO | Fe2O3 | Al2O3 | Loi | B.D g/cm3 |
Dicalcium-fused magnesium | 97.00 | 0.70 | 1.40 | 0.60 | 0.20 | 0.10 | 3.30-3.36 |
96.50 | 0.85 | 1.60 | 0.70 | 0.20 | 0.15 | 3.20-3.30 | |
96.00 | 0.95 | 1.90 | 0.80 | 0.23 | 0.12 | 3.20-3.30 | |
Common fused magnesite | 97.20 | 0.80 | 1.10 | 0.60 | 0.20 | 0.10 | 3.30-3.36 |
96.50 | 1.20 | 1.30 | 0.70 | 0.20 | 0.10 | 3.20-3.30 | |
96.00 | 1.40 | 1.50 | 0.80 | 0.20 | 0.10 | 3.20-3.30 | |
Size | 0-1mm, 0-30mm, 1-15mm, 1-30mm, 200mesh or according to customer's requirements. | ||||||
Plant photos:
Packaging & Delivery
Packaging Details1MT/bag or as customers' requirements.
Port Main port of China
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What is fused magnesite?
Fused magnesite is produced by high quality magnesite through electro- fusing, After melting, the SiO2 of material moves to the surface for the difference in the specific, so it has well grown crystals, well crystal perfection and structure homogeneity, excellent chemical stability, good corrosion resistance to slag and high strength at high temperature.
Where to apply fused magnesite?
It is widely used for gunning materials, fused magnesite ramming material, magnesite brick, magnesite chrome brick, vacuum and vacuum induction furnace, electric arc furnace refractory lining, magnesia crucible, furnace and a variety of refractory, such as large scale glass furnace by floating method, electrical furnace, convert furnace, house hold electrical appliances as electrical insulating materials,
- Q:What are the structural properties of refractory materials provided by the manufacturer of the refractories include?
- On the other hand, the turbulence is severe, and the side wall of the tundish is washed into the liquid steel and the service life of the lining of the tundish is reduced. In order to solve this problem, China 5%% honing develops a tundish anti turbulence pad, which is made of Al2O3>75% high alumina castable. Anti turbulence pad mounted casting ladle and tundish flow impact zone in the bottom of the flow out of the steel ladle nozzle casting hole center back in the anti turbulence pad repeatedly to consume the kinetic energy of the fluid flow, thereby reducing the steel flow speed, avoiding turbulence.
- Q:What are the new types of refractories? What are the characteristics? Their applications and developments?
- AZS refractories are often used brick, corundum brick, magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, alumina, Magnesium Oxide, beryllium and other refractory materials.Often used insulation refractories are diatomite products, asbestos products, insulation panels and so on.Unshaped refractory materials commonly used are fettling, refractory ramming material, refractory castable, refractory plastic material, refractory clay, refractory gunning, refractory cast material, fireproof coating, lightweight castable, mud etc..
- Q:Is aluminium oxide refractory material?
- Yes. It has high melting and boiling point, stable chemical?property. All refractory material almost contains aluminium oxide. Refractory materials have a large range and need specific requirements. Refractory material is divided into sizing refractory material, shapeless refractory material, ceramic fiber, refractory bricks and castable refractory. It can be subdivided according to temperature rating. Hope it is helpful to you.
- Q:Does the aluminum silicate thermal insulation material fireproof?
- Yes, because of its low heat conductivity coefficient, and good thermal insulation, it can be setting fire.
- Q:The difference between refractory and thermal insulation material
- In simple terms, refractoriness is different. The refractoriness of refractory is high while that of insulation material is low.
- Q:How to divide fire rating of decorating materials ?
- level A: incombustible, B1: Flame retardant, Level B2: combustible, Level B3: Flammable.
- Q:What is the interior fireproof thermal insulation material?
- Polystyrene?board, extruded sheet and polyurethane are mainly used. Polystyrene?board is the cheapest, but the thermal insulation effect is ordinary. When absorbing water, it will deform. Other waterproof measures are needed to be made after insulating layer is done./
- Q:How many fire endurance grades are the AAA fire resisting shutter divided?
- The fire shutter is divided into A / B / C classes. The refractory limits are not less than 1.2 /0.9 /0.6 hours. References to "general technical specification for steel fire resistance rolling shutter door GB 14102-93". 4.3 4.3.1 Classification according to fire resistance time. The common steel fire resisting shutter(see Table 3) The categories of the codes of the refractory time hF1 1.5F2 2.04.3.2 composite steel fire shutter composite steel fire shutter(see Table 4). Table 4 and Category Code refractory time hF3 2.5F4 3.04.4 refractory press time, smoke performance classification 4.4.1 ordinary steel fire anti-cigarette curtain (see Table 5) Table 5 and category code leak smoke refractory time h (20Pa pressure) FY1 1.5 ≤0.2m3 / m minFY2 2.0 ≤0.2m3 / m min4.4.2 composite steel fire anti-cigarette curtain (see table 6) table 6 and category code leak smoke refractory time h (20Pa pressure) FY3 2.5 ≤0.2m3 / m minFY4 3.0 ≤0.2m3 / m min excerpt complete fire shutter when the fire district for fire resistance of 3 hours, the opening portion on the firewall setting fire shutter fire resistance of 1.2 hours. **** Fire resistance of 3.0 hours called premium (fire back surface). "Construction Regulation" is mentioned in setting up a firewall and used as the separation of the fire resisting shutter and the fire?compartments. When taking the fire back surface temperature rise as the fire resistance standard of the fire resisting shutter, the fire endurance should not be less than 3.00h; When taking the fire back surface temperature rise as the fire resistance standard of the fire resisting shutter, the two sides of the roll should have protection of ?closed automatic water spray system, and the duration of water spray system should not less than 3.00h. In summary: The fire resisting shutter can be divided into: Grade, A, B and C looking to adopt
- Q:How to determine the fire resistance rating of the aluminium-plastic?panel?
- The fire resistance rating of the aluminium-plastic?panel is determined by two indicators, namely national compulsory standard of GB8624 "Building Materials Combustion Performance Grading Method ", and GB/T17748 "Aluminium-plastic?Composite Panel National Standard" . Classifications of combustion performance of building materials in our country are as follows: A class: Incombustible building materials; B1 class: Flame-retardant building materials; B2 class: combustible building material; B3 class: flammable building materials. The fire resistance rating of the aluminium-plastic composite panel shuld be no less than B1 class. 1. Detection indexes and requirements of fireproof aluminum-plastic composite panel (B1 class): (1) Conduct the test according to GB/T8625-88, the average leftover length of each test specimen should be more than 150mm, (any test piece should have leftover length), and the maximum average flue gas temperature of each test should be no more than 200 ℃; (2) Conduct the test according to GB/T8626-88, flame hight indicators.
- Q:How to distinguish the fire resistant level of construction materials?
- There are 3 conditions for building components to reach fire endurance, namely: Loss of ability to support; loss of integrity; loss of fire insulation function. As long as one condition occurs, fire endurance is reached and the time before it is called fire endurance. 1), loss of ability to support: If the specimen bearing capacity and rigidity reduce, section area shrink, collapses or deformation exceeds specified numerical value because it cannot bear the load of original design under flame or high temperature, it loses the ability to support. 2), loss of integrity: It mainly refers to the thin wall separating component(such as stairs, windows,partitions, ceiling, etc.) burst or partially collapse under flame or high temperature, and penetrating?fracture or opening appears, and the reverse side even burn. For example, when the floor is under flame or at high temperature, the flame spread to the upper room, which indicates that the integrity has been damaged. 3), loss of fire insulation function: It mainly refers to that seperating components loses thermal insulation and excessive heat conduction. In experiment, if the average temperature of component unexposed surface exceeds 140 ℃, or if any spot at the unexposed surface exceed the initial temperature of 180 ℃, the component loses fire insulation function.
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