factory directly 0-50mm white bauxite with high aluminum for refractory

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China main port
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Specifications

white bauxite with high aluminum 
High temperature resistance 
good thermal stability 
size can be tailor made

white bauxite with high aluminum

 

 

Chemicals:

 

   Al2O3%  CaO %   Fe2O3%refractorinessbulk density 
>88<0.4<1.5>1790>3.15
>85<0.6<1.8>1790>3.10
>80<0.8<2.0>1790>3.0
70-80<0.8<3.0>1790>2.8
60-70<0.8<3.0>1790>2.65
50-60<0.8<3.0>1770>2.45

 

 factory directly 0-50mm white bauxite with high aluminum for refractory

 

bauxite, alumina or bauxite miner , main ingredients are aluminum oxide, hydrate alumina containing impurities,

is an earthy mineral.White or grey, brown yellow or light red by iron.From 4 to 3.9 g/cm3 density, hardness, 1 ~ 3, opaque, very brittle.

Very difficult to melt.Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution.Mainly used for aluminium, refractory material.


Product use:
1.  aluminium industry.Used for defense, aerospace, automotive, electrical, chemical industry, daily necessities, etc.


2 . precision casting. Alumina clinker made after mold precision casting processed into fine powder.Used in military industry, aerospace,

communications, instrumentation, machinery and medical equipment department.


3. for refractory products.High bauxite clinker as high as 1780 ℃ refractoriness, chemical stability strong, and good physical properties.


4.  aluminum silicate refractory fiber.With light weight, high temperature resistance, good thermal stability, low thermal conductivity,

heat capacity is small and the advantages of resistance to mechanical shock.Used in iron and steel, nonferrous metallurgy, electronics, petroleum,

chemical, aerospace, atomic energy, defense and other industries.

 

It is the high alumina clinker in the melting temperature of about 2000 ~ 2200 ℃ high temperature

electric arc furnace, via high pressure of high temperature melting, high-speed air or steam injection, cooling, became a white cotton - silicate aluminum refractory fiber.

It can be pressed into fiber blanket, board or woven cloth instead of smelting, chemical industry, glass and other industrial furnace lining brick.

Firefighters available refractory fiber cloth to make clothes.


5. with magnesia and bauxite clinker as raw material, add appropriate binder, used for pouring ladle whole ladle lining has particularly good effects.


6. manufacture alumina cement, abrasive materials, ceramic industry and chemical industry of aluminum compounds

 


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Q:How to solve the shell, the crack problem of refractory material in the process of forming.
Pressure mode and number of pressure control "spallation". 2, multiple pressure, pressure degree and discharge way: 1, reduce friction, choose appropriate, than big pressure disposable pressure produced by the plastic deformation, allocate reasonable grading, internal and external friction, reduce billet particles and high die wall bright. 4.--- solve the light one firstly. --moisture content being too high easily cause spallation - the compressibility of water is small and have certain elasticity, appropriately to extend the pressuring time is beneficial. The material can produce large plastic deformation under the effect of continuous load. The right amount of lubricant. - body under the condition of less pressure but long effect time molding. Mould structure is reasonable and improve billet natural stacking density. 5.3, measures to improve the unburned brick molding quality. Many times continuously pressure relief is better than one-off sudden unloading, and controlling the appropriate moisture content;- - is beneficial to air overflow.
Q:The development prospect of fire-resistant material
Concrete has a broad employment direction while refractory material is not in popular demand. But if you do well, you are one of ethe experts.
Q:I want to consult the fire resistant level standards of external wall thermal insulation materials.
1, The thermal insulation material that has level A combustion performance: Spraying inorganic fiber, glass wool, foam glass, ceramic foam, rock wool, foam cement and perlite obturator, and so on. 2, The thermal insulation material that has level B1 combustion performance: Special processed extruded polystyrene board (XPS) / special processed polyurethane (PU), phenolic and polystyrene powder. 3, Thermal insulation materials that have level B2 combustion performance: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See article 4.3.6 in the 2009 edition construction technical measures. Level A insulation material is just for fire protection, so its thermal insulation performance is worse than the organic XPS or EPS materials. Hope this will help you.
Q:Could you tell me how does fire protection standard of decorative material is divided?
Level of fire prevention materials: A grade: non-combustibility building material, almost without burning materials. A1 level: non-combustible, no flame A2, non-combustible, to measure smoke, to be qualified. B1 level: flame retardant building materials: flame retardant materials has good flame retardant effect. It is uneasy to burn when encountering open fire in the air or under high temperature and is not easy to quickly spread, and when the fire source move, it will stop burning immediately. B2 level: combustibility building materials: combustibility materials has good flame retardant effect. It will immediately burst into flames when encountering open fire in the air or under high temperature. It easily leads to the spread of fire, such as timber, wooden frame, wooden beams and wooden stairs. B3 level: flammable building materials, without any flame retardant effect, easy to burn, and with a very high fire risk.
Q:What is the fireproofing requirements of external wall thermal insulation materials?
External wall thermal insulation materials fire rating regulations, 1, the height of a building is greater than or equal to 100m , the combustion performance of insulation materials should be level A; 2, the height of a building is greater than or equal to 60m but less than 100m, the combustion performance of insulation materials should not be less than the level B2. When using level B2 thermal insulation material, every layer should set horizontal fire barrier zone 3,The height of building is be equal or greater than 24m but less than 60m, the combustion performance of thermal insulation material should not be less than the level B2. When using level B2 insulation material, each two-layer should set fire barrier zone ; 4, the height of building is less than 24m, the combustion performance of insulation materials should not be less than the level B2. Besides, when using level B2 thermal insulation material, each three-layer should set a horizontal fire barrier zone.
Q:Is the ball mill used in production of refractories?
It will be used. It is used in the process of milling the raw material which is less demanding on technology and in relatively large amount. Is there lots of network marketing for refractory industry? Is the competition fierce on the Internet?
Q:What's the fire retardant material of roller shutter fire resistance door ?
I am happy to answer this question. Fire resistant rolling shutter door is generally filled with aluminum silicate fiber cotton inside. fire resistant rolling shutter doors are divided into special inorganic fireproof rolling shutter door and steel fire resistance rolling shutter door. The former has better fireproof performance, but the later has certain wind load resistance and can be installed outdoors.
Q:Does the aluminum silicate fiber can be used outdoors? If not, what other refractories can be used outdoors?
Q:Does refractory belong to stone, building materials or other?
It belongs to building materials.
Q:Which fire-resistant materials have good viscidity?
Viscidity is necessary for gunning mix, repair mix and bordering. It is too broad to which has good viscidity. Both gunning mix and repair mix are powder before adding water. Bordering also has little viscidity before heating. The question shoule be more specific.

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