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

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25 m.t.
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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:What are the classifications of refractory? Which category does steel ladle castable belong to?
Silmo brick, alumina-magnesia brick; 2. coke oven, aluminum silicate... 8 categories)& nbsp, teeming ladle, glass furnace ...... 7 categories) high alumina refractory products (blast furnace, electric furnace, cement kiln, magnesia, glass furnace; 3. high alumina refractory mortar (high alumina, glass kiln ...... 6 categories) special refractory products (magnesia-carbon bricks, aluminum-carbon bricks, MgO-C, shapeless refractory products& nbsp, light weight, sliding plate bricks, cement kilns: There are 26 categories in refractory products, clay, calcium silicate, ceramsite lightweight... 10 categories) & nbsp, air heating furnace, sheets; 1 refractory castable (alumina-magnesia, blocks, resistance furnace... 11 categories) alkaline refractory products (magnesia. First, thermal insulation refractory products (ceramic fiber; clay, diatomaceous earth, steel fibre reinforcement...14 categories) & nbsp, silicon carbide brick ...... 19 categories) Second, China is the largest refractory production country in the world, clay, non-water cannons mud, converter, siliceous, teeming ladle, profiled) siliceous refractory products (coke oven, dense shaped refractory products (all kinds of bricks, electric furnace roof, glass kiln ...... 5 categories) clay refractory products (blast furnace, high alumina ...... 4 categories) three
Q:What are fire resistant level standards of class A fire resistant door?
Situations under which fire endurance should at least meet class A fire resistant door standard: In basement, the fire door for room where the stored combustibles average weight exceeds 30kg/㎡; in partition basement, the fire door for partition of room where the stored combustibles average weight exceeds 30kg/㎡; in high building, the fire door for equipment room of automatic fire extinguishing system, fan room and air-conditioner room; in boiler room, transformer cabin, diesel generator room(other dangerous rooms), the fire door in firewall. These places are special and need high security, so they need to meet the standard of class A fire resistant door. What is class A fire resistant door? New Standard for Fire Door GB12955-2008 provides that class A fire resistant door thermal insulation and refractory integrity should be no less than 1.5 hours. In other words, the key of fire door grade is the fire-resistant time. Class A fire resistant door size: class A fire resistant doors have many sizes, and can be customized according to the needs of customers. For example, the size of some fire doors of the diesel generator room is large, while the size of fire doors of basement storing combustibles is small. So the size of class A fire resistant door is also different. Usually Xinduo will take this into account, produce class A fire resistant door with various sizes and can customize according to customer requirements. Class A fire resistant door standard: as is mentioned above, for class A fire resistant door standard, the key is the fire resistant time, no less than 1.5 hours. In texture, class A fire resistant door standard is manifested in the firm joint, uniform distribution of solder joints and smooth surface coating. It has also set fireproof sealing strip which should be straight.
Q:What kind of material is refractory bauxite?
Bauxite in refractory industry usually refers to the calcined bauxite ore which contains Al2O3 no less than 48%, while the content of Fe2O3 is rather low. Clinker of bauxite with high alumina is calcined bauxite. Tghe clinker is grey, light yellow and dark gray.
Q:Where is refractory used? Thank you!
Currently, refractory is widely used as inorganic nonmetallic material of production equipment lining in metallurgy, ceramics and other industries. The current definition of refractory does not only depend on whether the refractoriness is above 1,580℃.
Q:The primary problem, does the gas permeable brick is fired refractory bricks(refractory) ?
gas permeable brick have two types:built-in type and external mounted type. the built-in gas permeable brick and the external mounted gas permeable brick are usually made by fire burning, and small part of bricks are made by the low temperature heat.
Q:what's the detailed address of fireproof and thermal inuslation matertial market?
Detailed address of fire insulation materials market is as follows: A: Guangzhou Huatai building materials co., LTD. Address: Guangzhou Tianhe Chepo Road no. 10 B: Address of Donglong building materials market: Guangzhou Tianhe Taian North Road no. 7 C: Address of Huiya building materials trade market : Guangzhou Tianhe Sports West Road No. 109
Q:What are refractory materials?
Refractories can be divided to two categories based on the shape and three categories according to the chemical nature of acidity, neutralily and alkalinity. Alkaline refractory materials are magnesia-carbon brick, magnesia chrome brick, calcium magnesium brick and magnesia-chrome bricks. Neutural refractory mateial are high alumina brick, corundum brick and clay brick. Case-hardened refractory materials are castable, ramming mass, gunning mix, coated mix, dry vibration material, etc.
Q:Does the external wall thermal insulation materials level b1 need the fire barrier zone?
First, the cotton fire barrier zone "rock wool board" mainly uses water-repelling rock wool board produced by pendulum method as thermal insulation layer materia, and connecting and fixing base wall by binding and nail bonding, it is composed level A non-combustible building energy efficiency thermal insulation system by plastering layer composed by plastering mortar and glass fiber mesh and decorative mortar finishing layer or coating. Rock wool board exterior insulation system, low thermal conductivity, good ventilation, combustion performance advantages of higher levels can be used in new construction, expansion, renovation of residential buildings and public buildings energy-saving exterior wall insulation works, including exterior insulation, fire Barrier non-transparent wall insulation and EPS external thermal insulation system. The introduction of main level A fireproofing EIFS on the present market (The following text is selected from China Building Standard Design and Research Institute " external wall thermal insulation building construction" Standard No. 10J121) Second, the foam concrete fire barrier zone 1. It is very green without the release of irritant and harmful gases; no mineral cotton floats do harm to human skin and the respiratory tract; production of toxic gases is security level (AQ1), there is no harmful gas and waste emissions and less carbon emissions; it exist not duplicate insulation demolition waste to pollute the environment.
Q:What kind of refractories do the anode baking furnace use?
5% volume density. 2 , The application results show that it has the energy-saving effect. 4, Withstand voltage strength. The 50MPa prebaked anode baking furnace furnace wall replaces traditional small special-shaped brick with steel fibre reinforced castable precast block: The aluminum content is 45-60%. The iron content is less than 1. I know someone uses andalusite bricks. This method, under the condition of not changing the roasting technique , has excellent resistance to CO. If there are investors, you can complete the overhaul and reconstruction work of anode baking furnace, which is still a precedent in the country. The andalusite bricks are significantly better than clay bricks. The volume density of 5% of it is 2.25. The compressive strength of 40MPa aluminum content is 60%, and the iron content is less than 1. The andalusite is more denser in the structure. Physical and chemical indicators are as following: it has a good anti-corrosive of exhaust gas Na2O. This is because its chemical composition and mineral composition are very suitable for anode baking furnace, which has long life and easy construction and other characteristics.
Q:what is the common materials for home fireproofing material?
1, lumber core 2,decoration panel 3 , plywood 4 density board 5,chipboard 6 fireproof panel, 7.gypsum board Hope to adopt my opinion

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