Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price

Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price System 1

Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price System 2

Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price

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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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Quick Details

Place of Origin:	Henan, China (Mainland)	Shape:	Block	Material:	Alumina Block
SiO2 Content (%):	<6%< span="">	Al2O3 Content (%):	85%	MgO Content (%):	0
CaO Content (%):	<0.6%< span="">	Refractoriness (Degree):	1770°< Refractoriness< 2000°	CrO Content (%):	0
SiC Content (%):	0	Model Number:	bauxite	Brand Name:	CNBM
bulk density:	>3.0g/cm3	color:	faint yellow , pale white	Dimensions:	3-5mm
Moisture (%):	<4%< span="">	Concentrate Or Not:	Non-concentrate

Packaging & Delivery

Packaging Details:	25/50 kgs/pvc bag, 1MT/big bag
Delivery Detail:	12 working days after payment

Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price

Advantages

Cost advantage (Manufacturer-Direct sale);
High cost-effective;
Good fireproof insulation;
High bulk density.

Application

Widely used in aluminium metallurgy, precision casting, refractory product, ceramic fiber, alumina cement etc .

General description

As a large and class kiln & furnace expert, we also have our own raw material mine in Shanxi which is rich in bauxite so that we have the cost advantage in the engineering procurement construction of industrial kilns & furnaces. So our company is also an experienced Bauxite manufacturer. High grade calcined bauxite is used for raw material of kinds of our own refractory products.

Physical & Chemical Index

GRADE	CHEMICAL CONTENT,%		PHYCICAL PROPERTIES
GRADE	Al2O3 (%)	Fe2O3 (%)	DENSITY (g/cm3)	Refractoriness (℃)
GAL-70	≥70	≤2.0	≥2.75	>1790
GAL-80	≥80	≤2.0	≥2.90	>1790
GAL-85	≥85	≤1.8	≥3.10	>1790

Remark: We could produce various sizes according to customers’ requirements.

Supplier 85% al2o3 1-3mm Calcined Bauxite with Low Price

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.

If you’ve kind enquiries, please don’t hesitate to let us know. ^_^

Q:Who knows how many kinds of fireproof insulation materials are there in the market?: Portland cement, insulation stone, calcium powder and platycodon grandiflorum are the main raw materials of inorganic active insulation materials. Advanced manufacturing techniques and chemical Technologies have been used to conduct many tests, thus the close-celled inorganic active insulation materials are successfully developed. Products have advantages of fire-resistance, small deformation coefficient, aging-resistance, stable performance, environmentally-friendly, and good compatibility with rendering coating and subtractive wall, security, stability, and also have a life as long as the building itself. Good fireproofness: The materials of fireproof insulation board are inorganic (cement) which has A1-level fire-resistance, are non-combustible materials, and good at resisting fire. I hope my answer can help you.

Q:What are the requirements for the performance of refractory materials?: Performance requirements for electric furnace lining refractory: 1, sufficient refractoriness and softening point. Because of eletric arc, the inner surface temperature of lining can be as high as 1500 to 1800 degree. 2, strong resistance to slag. Because the dust penetrate into the furnace through pore lining, and the refractory material subject to loss, leading to spalling. 3, good thermal and shock resistance. Because during steelmaking, opening door and lifting of the furnace will lead to sudden changes in the temperature of the furnace lining refractory material, so spalling and cracking may occur, damaging the lining premature. 4, enough strength, because the lining is impact during charging, tilted when vibration,and eroded by metal, slag and airflow. 5, the thermal conductivity shall be small, and the conductivity shall be low. The commonly used furnace refractories are dolomite brick, magnesia brick, high alumina brick, silica brick and magnesia ramming etc.. Because of different working conditions of the various parts of the furnace, the refractory materials are not the same.

Q:How long is the fire resistant limit for ultra thin fire retardant coating?: According to the "code for fire protection design of tall buildings", the fire resistance time of the component is at the first level: 3 hours, beam: 2 hours, floor: 1.5 hours;if fire resistance level is level 2, the requirement for time of fire resistance component is the column: 2.5 hours, beam: 1.5 hours, floor: 1 hours. For fire resistant coating, fire resistance time for ultra-thin fire retardant coating is less than 1.5 hours. If the time exceeds 1.5 hours, thick fire resistive coating should be uesd.

Q:What are the insulation fireproofing materials?: Asbestos is the most common. Asbestos containing zirconium and made of the mixture of zirconium aluminum and silicon through wire drawing is better. Of course, some are made directly from natural things which can withstand 1400 degrees for over 30 seconds while the internal temperature had no significant change, and withstand 1400 degrees for over five minutes while inside temperature increase does not exceed 5 degrees.

Q:What are grades of refractory materials?: Refractories have lots of varieties which all have different purposes. It is necessary to classify refractories scientifically in order to scientifically study, choose and manage them. Classification methods of refractories include chemical properties classification, chemical composition of mineral classification, manufacturing technique classification, morphology of the material classification. 1 divided according to the level of refractoriness: ordinary refractory materials: 1580 ℃ ~ 1770 ℃, advanced refractories: 1770 ℃ ~ 2000 ℃ and super refractories: above 2000 ℃ 2, divided in accordance with shapes and sizes : Standard ones: 230mm × 113mm × 65mm, no more than four ruler.

Q:How to divide the fire resistant level of construction thermal insulation materials?: Combining three versions of GB8624 (1997,2006,2011), external wall thermal insulation fire?rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indexes for specific division. And it is mainly determined in accordance with the national standard GB8624 Building materials combustion levels.

Q:What defect does fused cast refractories have ?: In glass production, in addition to refractory as a building material and consider its durability, we still must attach great importance to its influence on glass quality. In such cases, 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. What may directly affect the quality of glass are the wall brick and brick kiln bottom.

Q:What are the materials of white firebricks?: They are made of baked refractory materials with pale yellow and a little brown on the surface and very cheap. They are mainly used to pile up smelting furnace and can withstand high temperature from 580 degrees Celsius to 770 degrees Celsius. While the firebricks, also called refractory bricks by others, have a certain size and shape. They can be classified according to manufacturing process, namely, the unburned bricks, burnt bricks and electrically fused bricks. Also they can be divided into common bricks, standard bricks and specific bricks according to different size and shape.

Q:Refractories for iron-making blast furnace?: Vibrating materials, corundum brick and aluminum carbon brick will be developed. Taphole commonly use stemming, silicon carbide - graphite bricks, whose material is Al2O3-SiC-C. Medium and large sized blast furnaces in China use dense mullite bricks, castable, graphite brick. Common lining material for iron ditch is ramming mass. hearth and furnace bottom common use carbon bricks, semi-graphite bricks, charring silica bricks, corundum bricks. Blast furnace bosh and lower part of furnace stack commonly use mullite bricks.

Q:What are the fire protection standards of insulation materials?: The combustion performance of thermal insulation materials for exterior walls of all civil buildings, within the scope of fire design auditing and fire control acceptance, should be brought into the auditing and acceptance. As for the "Management Regulations on Supervisions of Fire Prevention and Control for Building Projects" (Ministry of Public Order No. 106) , all civil buildings which are out of the scope of Article 13 and 14 are included in the random check. Before the release of new standard, it must be strictly implemented the Article II of the "Fire prevention Interim Provisions on civil external wall insulation system and external wall decorative" ([2009] No. 46), namely, the insulation materials of civil buildings must use materials with A-level combustion performance.

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