$Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry System 1$
$Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry System 2$

$Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry$

$Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry System 1$

$Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry System 2$

Raw Materials for Refractory:Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry

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Loading Port:: 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:	Net weight 25kg in a PVC bag, 1 metric ton in a jumbo bag on pellet.
Delivery Detail:	50 days

Details

China Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry

Bauxite is a kind of earthy minerals, the main constituent is impurity hydrated alumina. It is white or

off-white, but it will appear tawny or light red because of adding iron.

Bauxite is extremely difficult to melt. It is insoluble in water, but soluble in sulfuric acid and sodium hydroxide solution.

Technical Index

China Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry

Bauxite
Item	Al2O3 %	Fe2O3 %	TiO2 %	CaO+MgO %	K2O+Na2O %	Bulk Density g/cm3	Water Absorption %
GAL-88	≥88	≤1.5	≤4.0	≤0.4	≤0.4	≥3.15	≤4
GAL-85	≥85	≤1.8	≤4.0	≤0.4	≤0.4	≥3.10	≤4
GAL-80	≥80	≤2.0	≤4.0	≤0.5	≤0.5	≥2.90	≤5
GAL-70	70-80	≤2.0	--	≤0.6	≤0.6	≥2.75	≤5
GAL-60	60-70	≤2.0	--	≤0.6	≤0.6	≥2.65	≤6
GAL-50	50-60	≤2.5	--	≤0.6	≤0.6	≥2.45	≤6

Application:

Bauxite is widely apply to refractories, aluminum silicate refractory fiber, precision casting, alumina smelting industry, bauxite cement, etc.

Our Advantages:

1. The bauxite ore is competitive price.

2. High purity.

Calcined Bauxite Ore Metallurgical Grade Bauxite for Cement Industry

Q: How to divide the fire resistant level of EVB?: According to the indicators of amount of smoke, heat value, burning rate, and ignition point, combustion performance insulation materials are divided into A (non-combustible), B1 (flame retardant), B2 (flammable), B3 (combustible). It can be divided into the organic and inorganic types: The organic includes polyurethane and polystyrene board, the inorganic the includes glass wool and rock wool. The price of organic is lower, and it is combustible materials, it will produce hydrogen cyanide and other toxic gases when burned, the inhaled would die. The inorganic material is completely non-combustible insulation material.

Q: How many kinds of A-level fireproof and thermal insulation materials are there?: A-level non-combustible materials are mostly inorganic thermal insulation materials, as well as some organic compound materials can also be non-combustible; but if the convenient construction is required, panels are exempted, you can only choose inorganic thermal insulation mortar.

Q: Does anyone know the refractory temperature of fire-resistant glass?: Ordinary glass will be completely liquefied in the furnace of about 1100 degrees for half an hour and will not deform below 600 degrees. toughened glass fire-resistant glass is the product of ordinary glass after being processed Glass will mainly burst after encountering fire. When unevenly heated or encountering sudden drastic changes in temperature, ordinary glass will burst if the sharp temperature difference is over 70-120 degrees and toughened glass will burst at 200 degrees. It is not yet clear of the bursting temperature for the refractory glass. (I hope this answer can help you!) Hope you adopt !)

Q: How long does it take for refractory cement to solidify?: 1. First you should be aware of the concepts of condensation and condesation time. Refractory cement belongs unshaped refractories, which when added water or liquid binding agent to mix, the agitation material will gradually lose thixotropy or plasticity and become in a state of solidification, thus is solidified. The time needed to finish the process is called solidification time. The whole process is divided into initial and final set. When beginning to lose plasticity called the initial setting, when called plasticity completely lost the final setting. 2. For refractory cement, the solidification time depends on the matching of the material and the parts and using methods. Under normal circumstances, in order to meet the requirements of time of construction, the initial set time should be no shorter than 40min, and the final set time should be no longer than 8H 3. There are also some exceptions. When refractory cement is used for spraying and injection operation together with other refractory castable, the set time is required as short as possible, sometimes flash set is required to prevent the occurrence of peeling or collapse of the spraying layer.

Q: Who knows the model of fireproofing materials?: Inorganic binder: it mainly includes sodium silicate, gypsum, phosphate, cement,etc; refractory mineral filler: aluminium oxide, asbestos powder, calcium carbonate, perlite, cornstarch,etc; nonflammable organic resin: it mainly includes polyvinyl chloride, perchloro-ethylene, chlorinated rubber, neoprene latex, epoxy resin, phenol resin,etc. Nonflammable fireproof addictive: it mainly includes phosphorus, halogens, nitrogen organic compounds (chlorinated paraffins, TBP ( tributyl phosphate ), decabromodiphenyl ether), and borate series (boric acid, zinc borate, aluminium borate), antimony series, aluminium series, zirconium series and other inorganic compounds.

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: I would like to ask a friend that how much is the fire endurance of level A fireproofing glass?: Fireproofing doors can be divided into Class A, Class B and Class C by the fire endurance, the fire endurance is seperately not less than 1.20h, 0.90h and 0.60h. Fireproofing glass is a kind of special glass which can retain its integrity and insulation in the prescribed fire test, it can be divided into three categories according to fire resistance rating: class A is the fireproofing glass with refractory integrity and refractory thermal insulation. Such glass has the properties of transmittance, fireproofing (smoke insulation, fire insulation, heat radiation shielding), sound insulation and shock resistance, which is suitable for architectural steel and wood fire doors, windows, partition walls, daylighting?roof, ceiling?screen, perspective floor and other building components required both transparent and fireproofing. Class B is a fireproofing glass with refractory integrity and thermal radiation intensity. Such fireproofing glass is mostly composite fireproofing glass with transmittance, fireproofing and smoke insulation. Class C is a fireproofing glass with refractory integrity. Such glass has the features of transmittance, fireproofing, smoke insulation and high strength. it can used in partition wall, fire window and outdoor curtain wall without the thermal insulation requirements. fireproofing glass can be divided into composite fireproofing galss and monolithic fireproofing glass by the structure.

Q: What's the frequently used refractory material?: What's the frequently used refractory material in the market? It is usually classified into four categories: Common Refractory: silica?brick, semi-silica brick, refractory fireclay block, high alumina refractory brick, magnesia brick, etc. Unshaped Refractory: repairing?mass, ramming refractory, refractory castable, plastic refractory, refractory mortar, gun-mix refractory, sling refractory, refractory coating, lightweight refractory?castables, stemming, etc. Special Refractory: AZS brick, corundum brick, direct-bonded?magnesia-chrome?bricks, carborundum brick, silicon nitride bonded silicon carbide brick, nonoxide refractories like nitride, silicide, sulfide, boride and carbide, and oxide refractories like calcium oxide, chromium hemitrioxide, alumina, magnesium oxide and beryllia, etc. Fireclay Insulating Refractory: diatomite product, asbestos product, insulation?board, etc.