China Supplier Supply Calcined Bauxite With Best Grade

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Product Description:

China Supplier Supply Calcined Bauxite With Best Grade

 

Introduction:

 

Bauxite is actually refers to the industry, in sanshui diaspore, soft diaspore monohydrate or hard diaspore monohydrate as the main mineral composition of ore.Its application field has two aspects of metal and nonmetal.
Bauxite is the best raw materials, production of aluminum is the main field of application of the dosage of more than 90% of the total world bauxite production.Non-metallic USES mainly bauxite as refractory materials, grinding materials, chemical products and high alumina cement raw material.Bauxite in non-metallic proportion is small, the amount of but it is very extensive use.For example: chemical aspects such as sulfate, aluminium trihydrate and products can be used in paper making, water purification, ceramic, and petroleum refining;Activated alumina in the chemical, oil refining, pharmaceutical industry as a catalyst, catalyst carrier and decoloring, dewatering, degassing, acid, drying and other physical adsorbent;R - Al2O3 production of aluminium chloride for dyes, rubber, pharmaceutical, oil and other organic synthesis application;Glass of 3% ~ 5% Al2O3 can improve the melting point, viscosity and strength;Grinding material advanced grinding, polishing powder is the main raw material;Refractory materials is indispensable furnace building materials industrial department.

 

Applications:

 

1) Abrasive: Producing ceramic grinning wheel, grinding stone, grinning block, sanding paper, abrasive sand cloth, sand belt, polish wax, abrasive paste, coating etc.

 

 

2) Refractory material: Mainly used for abrasion and high temperature resistant in steel metallurgy, various industrial stoves, electric furnace etc.

 

 

3) Sandblasting abrasive: Mainly used for various material work pieces to decontaminate, derusting, prevent corrosion, remove oxide skin, glass sandblasting etc.

 

 

4) Abrasion resistance ground: Mainly used for non-slip of airport and road, chemical factory board paving.

 

 

5) Precision casting: Investment casting techniques of stainless steel and aluminum casting in coating.

 

 

China Supplier Supply Calcined Bauxite With Best Grade

China Supplier Supply Calcined Bauxite With Best Grade

China Supplier Supply Calcined Bauxite With Best Grade


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Q:As for fireproofing material rock wool and glass wool, which one is better?
Rock wool board and glass wool board are a kind of new construction thermal insulation material, it's widely applied in construction and has replaced traditional thermal insulation material to some degree. With the gradually deepening study of rock wool board, glass wool board, we can find that these insulation materials have advantages in many aspects but there are also many deficiencies, particularly there exists a lot of controversy about the impact on the human body. The production process of rock wool board and glass wool board usually includes: after melting in high temperature of rock or glass, inorganic fiber is produced by high-speed centrifugation equipment, and at the same time add binder,dust laying oil,silicone oil at certain proportion, then produce sheet material according to different requirements. It has good thermal insulation properties, mechanical property, sound absorption characteristics, belong to incombustible material and is cheap. In general, insulation, security and economy should not be contradictory, three aspects should be taken into account, balanced chosen and developed. Rock wool board and glass wool board and other such materials should be properly selected and applied to the appropriate structure, so that the choice of material will play their strengths and avoid their weaknesses.
Q:what is the grading standards of external wall thermal insulation materials?
What is the grading standards of external wall thermal insulation materials? summarizing the three versions of GB8624 (1997,2006,2011) external wall insulation fire rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. the dividing is based on many technical indicators. It takes time to explain for It is professional and technical. For details, please contact Qingdao Shan Textile Instrument. they specialized in external wall insulation fire rating tester.
Q:how long is the fire endurance of plasterboard?
Plasterboard is non-flammable B1 level products. There are introductions in Fireproof Specification of National Standard Building Interior Decoration Design. Plaster board mounted on steel stud can be used as A level decoration materials. In accordance with the national fire safety rules on fire durance of walls and ceilings and other components, we can not simply say whether a piece of gypsum board can meet the requirements. In GB "gypsum board" it clearly states: Fireproof plasterboard can endure fire longer than 20minutes. Wherein Dragon brand fire-resistant gypsum board can endure fire longer than 40 mintues. Gypsum board is comprised of dry wall, steel stud and various auxiliary materials. the fireproof performance of the gypsum board system is relevant to the type, quality , layers of the gypsum board, quality of keel and installations, whether the rock wool is filled and its unit weight, the treatment of seaming and some minor joints.
Q:What defect does fused cast refractories have ?
The impact on the quality of glass is mainly the defects that eroded down refractory materials mixed in the glass, thus being prodeced of grass products. Defects are mainly foreign body defects such as sand, knot and wave reinforcement.
Q:Who knows the classifications of magnesia refractory?
Magnesia chrome series products: The main ingredients of magnesium chromium series are MgO and Cr2O3. Periclase is the first phase and magnesia-chrome spinel is the second phase. Products belonging to this series are magnesium chrome brick and chrome magnesia brick. The main ingredients of magnesium aluminum series are MgO and Al203. As they generate MgO and Al203, all magnesium chromium series products contain magnesia material. magnesium calcium series products The main components are MgO and CaO. They have high melting points, which are important magnesia materials. 5, magnesium silicon series products: The main component of magnesite series is SiO2, when the C / S<5, SiO2 and MgO generate MgO.Al2O3 (forsterite). From the perspective of microscopic mineral, main products of pure aluminum series include magnesium aluminum brick, periclase spinel brick, corundum spinel brick and aluminum-spinel castable in unshaped materials. I hope this answer can help you.
Q:how about the performance of aluminum silicate fire proof thermal insulation?
aluminum silicate refractory fiber board has following characteristics:1. the structure is more even than natural wood. it avoids rot, moth-eaten and other problems, 2. fiber board has small expansion and contraction, which is easy to be processed. 3. its smooth surface is easy to paste a variety of finishings and you can make furniture more beautiful. Decorative wood-based panel is to embellish their homes. I hope it is useful to you!
Q:How to hang the suspended brick in the refractory masonry?
First you can weld the metal fastener of the suspended brick and then hang up the brick.
Q:What is the use of refractory?
It is equivalent to a protective layer. It can be used to protect structural materials from being direcctly attecked by high tempereture or internal gases. General structural materials are steel, so the main function is resistant to fire and high temperature. In literal meaning, refractory is a fireproof material. Steel is easily deformed and wore. Structural materials can not directly touched with solid and liquid. Refractory materials are generally used as a protective lining of structural material, so it is necessary to be protected.
Q:What is refractory material?
Q:What is the type of heat resistance property of high temperature electric furnace ?
According to the levels of refractoriness : Common refractories: & Gt: 1580 ℃ ~ 1770 ℃ advanced refractories: 1770 ℃ ~ 2000 ℃ AAA refractories; 2000 ℃

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