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:What kind of material is refractory bauxite?
Bauxite, also known as bauxite alumina or bauxite with high alumina, is the main raw material for the production of high alumina (aluminum content ≥48%, belongs to LAS) refractory. It must be calcined bauxite ore.
Q:How to divide the materials according to the National Fireproofing Material Standard?
according to China's national standard GB8624-97, the combustion performance of construction materials can be divided into several classes: Class A: Incombustible building material: Almost no burning material. Class B1: nonflammable building material: nonflammable material has a good flame resistance effect. when it meet the open fire in the air or burnd at high temperature, it is difficult to spread quickly, and when the fire source is removed, the combustion stop immediately. Class B2: flammable building material: flammable material has a good flame resistance effect. when it meets open fire in the air or at high temperature, it will immediately burst into flames and easily cause fire spread, such as wooden column, timber roof truss, timber beam, and wooden stairs,ect.. Class B3: inflammable building material: No flame resisting effects, highly flammable, high fire risk.
Q:What's the A class fireproof and thermal inuslation matertial for external wall?
First, external wall thermal insulation material: 1. silicate insulation material; 2. glue powder polyphenyl granule; 3. cement cystosepiment with the use of steel wire gauze (polystyrere); 4. extruded sheet; Second, roofing materials: 1. xps extruded sheet; 2. EPS foam board; 3. perlite and perlite brick; 4. vermiculite and vermiculite brick; Third, materials for heating power and air conditioners: polyurethane, rubberplastic sponge, polyethylene, polystyrene foam, glass wool, rock wool; Fourth, steel structure material: polystyrene, extruded board, polyurethane board, glass cotton lap felt, etc.
Q:Who knows about the fire endurance of sintered shaly hollow bricks?
1. after roasting at high temperature of more than 1200 degrees, shale burned bricks in construction works can be free from expanding with heat and contracting with cold. 2. masonry walls can be plastered with no needs of any anti-cracking, reinforcement measures, and walls will not bulge and crack, which can reduce the construction cost, as well as are preferred building materials of frame structural engineering. 3.They have good sound insulation and thermal insulation performances, are one of the green building materials that the state currently promotes. 4. They have high intensity. The average compressive strength of them is up to 15.8, which matches with M7.5 cement mortar that has advantages of low water absorption, and good anti efflorescence performance.
Q:What is refractory aggregate?
It includes two categories: coarse aggregate and fine aggregate.
Q:what's the fire endurance of fireproof panel?
Hello, fire endurance of fireproof panel is 3 hours, for example, 12 mm non-asbestos fiber reinforced calcium silicate board, fireproof panel, two single 75 keel. through the monitoring of national fireproof construction materials quality supervision center, it's security and refractory time will reach over 3 hours. fireproof panel, also called fire resistance board, scientific name is thermosetting resin impregnated paper laminated wood,english abbreviation HPL(Decorative High - pressure Laminate) is fire resistant building material for surface decoration and has rich surface colors,lines and special logistics performance, it's widely used in interior decoration, furniture, cabinets, laboratory table, external wall, etc.
Q:Does anyone knows which company produces the better refractory materials?
A:Building Materials Company of Guangzhou: Near the Baiyun District, Baiyun District, Guangzhou Road, North Road. B:Guangzhou Research & Development Co., ltd.: Liwan District Fengyuan road No.90 in Guangzhou City C: Huitailong decoration materials Co., Ltd.:the 30th floor of No. 111 Pacific Center, Taikang Road, Yuexiu District Guangzhou City D:Guangdong metal materials company: Near Qishan Road, Tianhe District , Guangzhou city.
Q:What's the fireproof specification for constrcution external wall thermal insulation materials?
incombustible material: Class A1 (homogenous): such as YT inorganic active insulation material for wall thermal, foam glass, rock(ORE) wool, glass wool, insulation board of aerogel,expanded perlite series, expaned glazed hollow bead, foam insulation boards, ETC. Class A2 (non-homogeneous composite): such as phenolic foam, gelatine powder polyphenyl granule thermal insulation material, inorganic coating materials and other nonflammable material. phenolic foam insulation board, urea resin foam and board, high flame-retardant polyurethane rigid foam and board, high flame retardant polystyrene cystosepiment, gelatine powder polyphenyl granule heat insulating slurry and other combustible materials. Requirements for combustion levels of common antiflaming EPS, common inflaming retarding XPS, common antiflaming rigid PU foam board: Class A is incombustible material (product); B1 nonflammable material (product); B2 combustible material (product); B3 combustible material (product).
Q:Which region use more refractory?
You can read some relevant statistical material and east China uses refractory the most.
Q:What kind of refractory material should be used for common boiler?
Build by using clay refractory mortar. Common clay brick is used as combustion layer. Xindeyuan Refractory Material, red brick is used as external wall. Light clay brick is used as thermal insulation layer, thank you.

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