82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material

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25 m.t.
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3000 m.t./month

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Product Description:

82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material


Specifications

1.    We directly supply calcined bauxite 

2.    Al2O3:70%/75%/80%/85%/86%/88%/90% 

3.    Size:0-1-3-5-8-10/200mesh/325mesh/400mesh/500mesh

 

Size:

Lumps /Grains:0-1mm,1-3mm,3-5mm,5-8mm /Powders:100mesh, 200mesh,325mesh

 

Product Description of 82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material:

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.

 

Application of 82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material:

1.Aluminium metallurgy.

2.Precision casting/Investment casting: bauxite grog fines can be made into mold for precision casting.

3.Refractory: high alumina bauxite's refractoriness can reach 1780°C.

 It is charactered by good chemical stability and mechanical performance.(Al2O3 ≥48% with low Fe2O3)

4.Aluminium silicate refractory fiber: The high alumina bauxite grog can melt under2000°C-2200°C in the electric arc furnace.     After a series of processing, it can become aluminium silicate refractory fiber, which can be made into fiber blanket,plate,cloth.

5.Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining performance.

6.Producing bauxite cement.

7.Abrasives.

8.Ceramics industry.

9.Chemistry industry for all kinds of aluminium compound.



Calcined Bauxite Grade:

Shaft Kiln Bauxite

Rotarty Kiln Bauxite

Round Kiln Bauxite

 

Packaging & Delivery of 82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material:

Packaging Details: In bulk or in 1-1.25mr bag

 

Product Pictures:

 

82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material

82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material

82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material

82% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Refractory Raw Material


Our Service:

1. Your inquiry related to our products or prices will be replied in 24hours.

2. Manufacturer with large capacity, ensure the fast production cycle after confirmed the order.

3. Our professional technicians will answer your entire enquiry in patient.

4. To meet the refractory solutions, we can serve as your instructions.

5. Protection of sales area and private information for our entire customer.

 

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Q:Can anyone tell me the requirements of the refractory masonry??
Kaolin is mainly composed of kaolinite crowded minerals that is in the shpe of tiny flake which is less than two microns, tube and folding flake. The kaolinite crowded mineral consists of kaolinite, dickite, pearl stone, halloysite, etc. and its ideal chemical formula is AL2O3-2SiO2-2H2O. The main mineral component of it is kaolinite and halloysite.In addition to the kaolinite crowded mineral, kaolin is accompanied by other minerals like montmorillonite, illite, pyrophyllite, quartz and feldspar. The chemical composition of kaolin contains large amounts of AL2O3, SiO2, and a small amount of Fe2O3, TiO2, and traces of K2O, Na2O, CaO and MgO, etc. The white pottery is made of kaolin. At present, the internationally accepted scientific name for kaolin is Kaolin which is derived from the kaolin mountain in the eastern suburb of kaolin village in Jingdezhen.Such special properties of kaolin as its plasticity,cohesiveness, certain dry strength, sinterability and firing whiteness make it the main raw material for ceramic production; properties like whiteness, softness, high dispersibility, and adsorbability allows it to be widely used the paper industry. In addition, the kaolin is also widely used in some industrial sectors such as rubber, plastics, refractories, oil refining as well as agriculture sector and cutting-edge technology for national defense. According to the purpose and requirements, kaolin can be processed and purified and it can be used to manufacture activated clay.
Q:Who knows the classifications of magnesia refractory?
They can be devided into two major categories of fettling magnesite grain and magnesite products. They can be divided into fettling magnesite grain, magnesia brick, magnesia-silica brick, magnesia-alumina brick, magnesium-calcium brick, magnesia-carbon brick and other varieties according to the chemical compositions and purposes Its performance is greatly affected by CaO / SiO2 ratio and impurities. The load softening point and thermal shock resistance of high purity magnesia brick are much higher than those of the general magnesia bricks. It has high refractoriness and good resistance for alkaline slag and iron slag, which is an important kind of advanced refractory material. Magnesia products are mainly produced by sintering, and sintering temperature is generally between 1500 ~ 1800 ℃. Besides, chemical binder can be added to make unburned bricks and unshaped refractories. Mainly used in open hearth furnace, electric furnace, oxidation converter, non-ferrous metal metallurgy furnace, cement kiln and calcining kiln for basic refractory.
Q:Classification of porosities in refractories and their effects on properties
The pores in refractory include open pores, through pores and closed pores.
Q:Concrete composition and function of magnesia bond used in refractory
Mainly high purity magnesia powder and silica fume, in accordance with the 4:1 ratio of the mixture, that is, we often use in the castable MgO-SiO2-H2O binding system! Compared with cement, the content of CaO is lower, the high temperature strength of the product is increased, and the slag corrosion resistance of the product is increased!
Q:Who can introduce the external wall thermal insulation materials fire rating regulations?
According to public fire-fighting [2007] No. 182, the contents of the notification on the implementation of a number of issues of national standards GB8624-2006 "building materials and products combustion performance classification", since there is large differences between the new version of the standard GB8624-2006 and the old version of GB8624-1997 in the principle, hierarchical structure and test methods. According to the cintent of notification, in order to ensure a smooth transition between the old and new standards, the current national standard "Fireproof  Specification of Building Interior Decoration Design" GB50222, "fire safety rules of tall civil buildings design" GB50045, "Fireproof  Specification of Building Design" GB50016 have not completed the relevant amendments, the new classification method of GB8624-1997 and GB8624-2006 can be used for temporary reference in terms of combustion performance of materials . From GB8624-2006 standard implementation, the classification of combustion performance is too granular, which do not match to the actual construction of the current project in our country. Therefore, the relevant departments carry on the 3rd amendment for the GB8624-2006 standards, namely GB8624-2012, and it will be released on December 31, 2012 and implemented on October 1, 2013. The combustion grading requirements in the standard: Level A is non-combustible materials (products); level B1 is nonflammable material (products); level B2 is combustible materials (products); level B3 is flammable materials (products).
Q:What is the difference between the fire rating and the fire resistant level of the fire-fighting equipment?
Fire rating and fire-fighting rating are the misnomer to the building fire resistant level. The building fire risk is measured by fire resistant level. The article 3.2.1 and 5.1.7 of "Architectural design code for fire protection" have made provision respectively on the fire resistant level of plant (the storeroom) and civil construction. Article 3.0.2 of "Code for fire protection design of tall buildings" has made provisions on the fire resistant level of tall buildings. As for the warehouse building "category malonate", it refers to one of the fire risk of goods storage, which is divided into A, B, C, D, E, and each category is refined depending on the nature of different substances. "Malonate class" specified in article 3.1.3 of "building design for fire protection" refers to the flammable solid.
Q:What are the main components of refractory cement?
Refractory cement, also known as aluminate cement, can also be gray. Aluminate cement is often yellow or brown. Aluminate cement takes bauxite and limestone as raw materials, alumina content of about 50% as the clinker. And it is a hydraulic cementing material made by grinding. The main mineral of aluminate cement is mono calcium aluminate (CaO · Al2O3, abbreviated CA) and other aluminates, and a small amount of dicalcium silicate (2CaO · SiO2), etc.
Q:What occupational hazards should be detected in glass ceramic and refractories industry?
Q:what's the fireproof levels of fireproof and thermal inuslation matertial?
thermal insulation refractory material is also known as thermal insulation material, it has low thermal conductivity, average is below 0.3 w/m ℃). porosity is in commonly above 50%, bulk density is less than 1300 kg/m3 with low mechanical strength. thermal insulation refractory material, according to the operating temperature, can be divided into three kinds of materials: high temperature thermal insulation material (< 1200 ℃), medium temperature thermal insulation material (900 ~ 1200 ℃) and low temperature thermal insulation material (< 900 ℃). According to the bulk density, it can be divided into: general thermal insulation material (bulk density
Q:How long is the fire-resistant time of fireproof wooden door?
National standards define the fireproof door as class A, class B, class C, among which fire-resistant time of class A fireproof door should not be less than 1.5 hours, class B should not be less than 1 hour and Class C should not be less than 0.5 hours.

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