China Factory Supply Calcined Bauxite for Refractory Rkb 75, 88 78, 70, 90

• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials, Instant Materials
• Type: Refractory Material
• Shape: Powder and Aggregate
• Material: Alumina Block
• Tensile Strength: 7-13MPa
• Model NO.: Bauxite
• Bulk Density: 2.9,3.15,3.2,3.3
• Water Absorption: 7,6,5,4
• Usage: High Alumina , Cement Refractory..Others
• Compressive Strength: 4-9MPa
• Transport Package: Big Bag or Customer′request
• Specification: 70, 75, 80, 85, 88, 90
• Trademark: xs
• Origin: Shanxi
• HS Code: 2508300000
• Production Capacity: 400ton/Day

Product Description

China factory supply Calcined Bauxite use for Refractory

Calcined bauxite (aluminium oxide) is produced from Refractory Agglomerated Super Calcined (RASC) bauxite

 

 

Company Profile

 

Xingshi New Material Technology Co., Ltd.  - Yangquan refractory base located in the hometown of bauxite  ,has gradually developed into a medium-sized refractory enterprise with fixed assets of more than 10 million yuan and an annual production capacity of more than 40000 tons by adopting scientific production technology and advanced production equipment and making use of high-quality aluminum ore resources in Shanxi. The company mainly produces high alumina clinker and high and medium grade refractory products. It is a professional manufacturer integrating mining, calcination, processing, production and sales. The bauxite clinker adopts strict material selection process and is calcined at high temperature in rotary kiln. It has uniform reaction and compact structure. It can also process aggregates (0-1, 1-3, 3-5, 5-8, etc.) and fine powders (180, 200, 325 mesh) of various sizes according to production needs, which are widely used in various castables and amorphous refractories.

Relying on its own resources, the company also specializes in the production of shaped products such as low creep series high aluminum brick, unburned high aluminum brick, phosphate brick, mullite brick and corundum brick, as well as more than 30 kinds of amorphous refractory materials such as high-strength wear-resistant refractory castable, ultra-low cement refractory castable and cementless refractory castable. The company always adheres to the service tenet of "scientific and technological innovation, honesty and trustworthiness", and takes the market demand as the guidance. On the road of wholeheartedly serving customers, the company pursues excellence and achieves win-win results.
 

Product Description

Bauxite is a natural, very hard mineral used predominantly in road systems for its high-friction and anti-skid properties. The majority of public sector systems will specify that Calcined Bauxite be used in their road and pedestrian crossing installations.

Bauxite aggregate, also known as high alumina sand, is a high-quality refractory material made of raw bauxite through selection, high-temperature roasting, crushing, sub mesh and other processes. Bauxite aggregate has the excellent characteristics of high aluminum content, low iron content, high hardness, low coefficient of thermal expansion, high fire resistance and stable thermochemical properties.


Product application: high alumina aggregate is an indispensable raw material in refractory castable. It can be mixed with high alumina cement and fine powder in proportion to produce refractory concrete with very high strength.

Calcined bauxite is divided into the following according to different calcining Kilns: 

1.  Shaft kiln bauxite;  2.  Rotary kiln bauxite;   3.  Round kiln bauxite. 

As application Calcined bauxite is divided into: 

 Refractory bauxite;  Grinding grade bauxite;  Welding grade bauxite

Bauxite, also known as bauxite or bauxite, is a block clinker made of bauxite fired at 1500 ºC and then processed into aggregate or powder according to the requirements.
 

Detailed Photos

Product Parameters

1. High Alumina Bauxite ( Al2O3 Content 85% above) 

  Al2O3  Refractory Grade 85-87% , Abrasive Grade >= 86%  , Welding Grade  >= 87% 
  SiO2    Refractory Grade 6-7 % , Abrasive Grade  5-6 % 
  Fe2O3 Refractory Grade : 1.6-2%   Abrasive Grade <= 2% 
  TiO2  Refractory Grade : 3.5-4 %   Abrasive Grade <= 4-4.5% 
  K20+Na2O+CaO+MgO  Refractory Grade : 0.5-1 %   Abrasive Grade <= 0.5-1% 

Bulk density :   Refractory grade : 3.10-3.20g/cm3  Other Grade No special Requirement .
Loss on Ignation (L.O.I.) <= 0.3%

Common Bauxite requried Test Items :

Refractory grade : Al2O3 >=  80%   Fe2O3 :<= 2%  Bulk Density : >= 2.8g/cm3  Size and Moisture according customer requirement . 

Iron Bauxite ( High Fe)  Test Items :

 Al2O3 >=  80%   Fe2O3 :<= 4-10%  TiO2 <= 4%  SiO2 <= 7% , Size and Moisture according customer requirement . 

Raw Bauxite :

 Al2O3 >=  70-73%  Fe2O3 ≈ 1.5%  TiO2 <= 4%  SiO2 <= 6%, L.O.I 14-15% , K20+Na2O+CaO+MgO ≈ 0.5-1% ,  Size and Moisture according customer requirement . 


 

BAUXITE PARAMETERS
Al2O3   (%)	Fe2O3 (%)	TiO2 (%)	CaO+MgO (%)	K20+Na2O (%)	Bulk Density (g/cm3)	Water Absorption (%)
>=90	<=1.5	<=4	<=0.4	<=0.25	>=3.2	<=4
>=88	<=1.8	<=4	<=0.4	<=0.25	>=3.2	<=4
>=87	<=1.8	<=4	<=0.4	<=0.25	>=3.15	<=4
>=86	<=1.8	<=4	<=0.4	<=0.25	>=3.15	<=4
>=85	<=2	<=4	<=0.4	<=0.25	>=3.10	<=4
>=84	<=2	<=4	<=0.4	<=0.25	>=3.0	<=4
>=83	<=2	<=4	<=0.4	<=0.25	>=3.0	<=4
>=82	<=2	<=4	<=0.4	<=0.25	>=2.9	<=4
>=80	<=2	<=4	<=0.4	<=0.25	>=2.9	<=4
>=78	<=2	<=4	<=0.4	<=0.25	>=2.8	<=4
>=75	<=2	<=4	<=0.4	<=0.25	>=2.8	<=4
>=70	<=2	<=4	<=0.4	<=0.25	>=2.75	<=4
>=70	<=2.5	<=4	<=0.4	<=0.25	>=2.7	<=4
>=65	<=2.5	<=4	<=0.4	<=0.25	>=2.55	<=4
>=60	<=2.5	<=4	<=0.4	<=0.25	>=2.5	<=4
>=50	<=2	<=4	<=0.4	<=0.25	>=2.45	<=4

 

Product Usage

1.Aluminum smelting industry

2.Precision casting. Bauxite clinker is processed into fine powder to make precision casting, instruments and machinery after casting.

3.For refractory products. The high bauxite clinker has a fire resistance of up to 1780 ° C and strong chemical stability.

4.Aluminosilicate refractory fiber. It has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity and resistance to mechanical vibration. Used in various industries such as iron and steel, nonferrous metallurgy, electronics, petroleum, chemical industry and Yu. It puts high-aluminum clinker into a high-temperature electric arc furnace with a melting temperature of about 2000 ~ 2200 ºC. After high-temperature melting, high-pressure high-speed air or steam blowing and cooling, it becomes a white "cotton"-aluminum silicate Refractory fiber. It can be pressed into fiber blankets, boards or woven into cloth instead of refractory bricks lined with high-temperature furnaces in smelting, chemical and glass industries. Firefighters can use refractory fiber cloth to make clothes.

5.Using magnesia and bauxite clinker as raw materials, adding appropriate binding agent, it is used for pouring the overall barrel lining of the steel drum.

6.Manufacture of alumina cement, abrasive materials, ceramic industry and various compounds that can be made of aluminum.

 

Product Application

 

 

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Products manufacture and supply:
(1)Refractory bricks:High alumina brick,Corundum brick,Mullite brick,Silicabrick,Sillimanite brick etc.
(2)Insulation bricks:Clay insulating brick,High alumina insulating brick,Mullite insulation brick etc.
(3)Unshaped refractory:Castable,Calcium aluminate cement,Ramming mass,Gunning mix,Mouldable refractory,Mortar,bauxite,refractory bed material etc.
(4)Ceramic Fiber Product:fiber board,fibre blanket,fiber module,fiber cloth,fiber tape,fiber paper etc.
(5)Refractory balls:High alumina ball,Alumina ceramic ball,Ceramic regenerative ball etc.


 

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