Bauxite Ore / Raw Bauxite / High Alumina Bauxite made in China

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

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Packaging & Delivery

Packaging Details:50kg/polywoven bag or as customers requirements
Delivery Detail:7 days

Product Introduction

Refractory Material Bauxite Clinker for All Kinds of Particle Size

Bauxite, also known as alumina, the main component is alumina, which is hydrated alumina containing impurities, a kind of earthy mineral. White or gray, because containing iron it will brown yellow or light red. Density is 3.45g / cm3, hardness is 1-3, opaque, brittle. Extremely difficult to melt. Insoluble in water, soluble in sulfuric acid and sodium hydroxide solution. Mainly used for aluminum smelting, manufacture refractories.

Product Application

Refractory Material Bauxite

1. aluminum industry. For defense, aerospace, automotive, electrical, chemical, and other daily necessities.

2. casting. Bauxite is processed into a fine powder made after the mold casting. Used in military, aerospace, communications, instrumentation, machinery and medical equipment sectors.

3.  used for refractory products. High bauxite refractoriness up to 1780 ℃, chemical stability, good physical properties.

4. aluminosilicate refractory fibers. Light weight, high temperature, good thermal stability, low thermal conductivity, heat capacity of small and resistance to mechanical vibration and so on. For iron and steel, nonferrous metallurgy, electronics, petroleum, chemical, aerospace, nuclear, defense and other industries. It is the high alumina clinker into the melting temperature of about 2000 ~ 2200 ℃ high temperature electric arc furnace, high temperature melting, high pressure high velocity air or steam injection, cooling, it becomes white "cotton" - aluminum silicate refractory fibers. It can be pressed into fiber blanket, plates, or woven into fabric instead of smelting, chemical, glass and other industrial high-temperature furnace lining of refractory bricks. Firefighters available refractory fiber cloth to make clothes.

5.  with magnesia and bauxite as raw material, adding an appropriate binder for casting ladle whole bucket liner very good results.

6.  manufacture of cement, abrasive materials, ceramic industry as well as various compounds chemical industry can be made of aluminum bauxite.

Product Parameters

                   Item

Specification

Item

Specification

                   Color

Brown Yellow or Light Red

Thermal Conductivity

0.03℃

Density

3.45g/cm3

Refractory temperature

1790℃

Mohs Hardness

1~3

Compressive strength

55Mpa

Product Details Show


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Q:what is best for making refractory insulation for Blast furnace, hot stove.
high alumina insulating brick diatomite brick
Q:Who knows how many poured refactory material are there?
Casting refractory material, refractory material used often are AZS brick, corundum brick, direct bonding magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide brick, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, aluminum oxide, magnesium oxide, beryllium oxide and other refractory materials.
Q:What do refractory materials include?
It is so difficult.
Q:how to divided the external wall thermal insulation materials fire rating
Level A: Incombustible building material: It is a kind of material that almost does not occur burning. Level B1: Nonflammable building material: Non-flame material has good flame resistance. It is difficult to fire under the condition of open fire in the air or high temperature, and it is not easy to quickly spread, and when the combustion source is removed, the combustion will stop immediately. Level B2: Combustible building materials: Flame material has a good flame resistance. In case of fire in the air or at high temperature, it will immediately burst into flames, and easily lead to the spread of fire, such as wooden column, timber roof truss, timber beam and wooden stairs. Level B3: Combustible building materials: It has no any flame resisting effects, and is easy to burn, so the fire risk is high.
Q:What are the commonly used fire protection materials
Firewall. The fire wall is made of non combustible material, and is directly installed on the base of the building or the reinforced concrete frame or fire proof walls . Fireproof limit of the firewall, according to the current "building regulations", is 4 hours, wheras the specification of Technical specification for concrete structures of tall building is 3 hours. doors resistant to fire, heat in a certain period of time These door usually prevent the spread of fire and gas in the fire resistant wall, staircase, pipe well. Fire door can be divided into steel fire doors, wood fire doors and composite materials fire door according to the material used. According to the limit of fire resistance can be divided into the class A fire door (1.2h), B fire doors (0.9), class C fire door (0.6h); (3) fire window. Windows resistant to fire, heat in a certain period of time It is usually installed in the fire resistance wall or doors; the fire shutter. This roller shutter can be refractory in a certain period of time. It is typically used for heat and fire insulation in escalator with difficulties to install fire resistant wall, fire resistant valve and smoke resistant valve. Fire resistant valve is installed in the ventilation and air conditioning system of air supply and return air duct, usually in the open state, fire, It will be turn off when the pipeline gas temperature reached 70 degrees, can meet the requirement for fire resistance and insulation for gas and fire. Smoke fire resistant damper installed in the exhaust system pipe, when the pipeline gas temperature reached 280 degrees, it will close automatically, insulating fire and gas.
Q:The classification of clay according to refractoriness, and what is the plasticity and plasticity index of clay?
Q:Which are fireproofing external wall materials?
1. Acording to national standard GB8624-97, the combustion performance of construction materials are classified as: Grade-A: incombustible building material: Grade-A WW thermal insulation material which hardly burns. Grade-B1: nonflammable building material: nonflammable building material has good flame resistance. It is difficult to burn or spread in the air or at high temperature. Grade-B1: nonflammable building material: nonflammable building material has good flame resistance. It is easy to burn in the air or at high temperature, thus spreading the fire, such as wooden column, timber roof truss, timber beam and wooden stairway. Grade-B3: inflammable building material. Without fire resistance, inflammable building material is easy to burn and thus cause a fire. 2. According to fireproofing performance, external wall thermal insulation materials can be classified as: 1. Thermal insulation material with Grade-A combustion performance: WW inorganic thermal insulation material, rock wool, glass wool, foam glass, foamed ceramics and foam cement. 2. Thermal insulation material with Grade-B1 combustion performance: XPS panel after special treatment/ PU, phenolic aldehyde, gelatine powder polyphenyl granule after special treatment. 3. Thermal insulation material with Grade-B2 combustion performance: EPS, XPS, PU, PE, ETC.
Q:What refractories are resistant to fluorine gas?
It is recommended to use fused-quartz brick, which will produce hydrofluoric acid fluorine (an acidic gas) when water vapors. It is cheap. While it is recommended to use silica brick if it exceeds 1,200 degrees. So acidic refractory is an advisable refractory for using. It works well if the temperature is below 1200 degrees.
Q:what is steel fire door made of ?
1. fire resistance steel door has steel made door frames, door leaf framework and door panels. if the door leaf is filled with nontoxic fire insulation material, added with fireproof hardware accessories, which consists of a door that is fire resistance.
Q:What needs to be paid attention to in the construction of high- temperature refractory mortar?
As far as I'm concerned, in the construction of high-temperature refractory mortar, these matters should be noted: 1. During the use of high-temperature daub masonry stove, 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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