Refractory Grade Calcined Bauxite Made in China

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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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Product Description:

Quick Details

Shape:

Mine

Concentrate Or Not:

Non-concentrate

Al2O3 (Min):

50%-85%

Place of Origin:

Hebei, China (Mainland)

Brand Name:

CNBM



Packaging & Delivery

Packaging Details:25kg/Bag,1Mt/Bag,1.25Mt/Bag; Or as per Client's request
Delivery Detail:within 10 days after confirm the order

Refractory Grade Calcined Bauxite Made in China


Refractory Grade Calcined Bauxite Made in China

Specifications

aluminous soil Al2O3 70% 
1. rotary kiln calcined bauxite for refractory 
2. Shaft Kiln Bauxite 
3.Al2O3:50%-85%

Bauxite

 

Introduction

Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .this removes moisture thereby increasing the alumina content. compared to an alumina content of about 57%to 58%in raw bauxite, calcined bauxite has an alumina content of 84%to88%.the heating is carried out in rotary kilns

 

1.Applications

Raw bauxite is typically classified according to its intended commercial application,such as abrasive ,cement ,chemical, metallurgical, and refractory .as raw material for use in high alumina and super duty refractory bricks and shapes ,plastics ,castable refractory, motors, gun mixes, ramming mixes, abrasive grains and other products.

 

2.specifications

Item

Al2O3

Fe2O3

TiO2

K2O+Na2O

CaO+MgO

Bulk density

GAL65

≥65

≤2.5

≤4.0

≤0.3

≤0.5

≥2.6

GAL75

≥75

≤2.5

≤4.0

≤0.3

≤0.5

≥2.7

GAL80

≥80

≤2.5

≤4.0

≤0.3

≤0.5

≥2.8

GAL85

≥85

≤2

≤4.0

≤0.3

≤0.5

≥3.0

GAL86

≥86

≤2

≤4.0

≤0.3

≤0.5

≥3.1

GAL87

≥87

≤2

≤4.0

≤0.3

≤0.5

≥3.2

GAL88

≥88

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25

GAL90

≥90

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25


Refractory Grade Calcined Bauxite Made in China


Refractory Grade Calcined Bauxite Made in China


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Q:Who knows what kind of material the fire-proof plate use, and is it good?
It is the decorative board made by adopting silicious material or calcareous material as the main raw material, and blending them with certain proportion of fibrous material, lightweight aggregate, adhesive and chemical additive before steam pressing. It is a kind of new material and more and more frequently used currently not only for it is fireproof. Construction of the fire-proof plate has higher requirements on the adhesive, and the price of the fire-proof plate with better quality is more expensive than that of the decoration panel. The thickness of the fire-proof plate is generally 0.8mm, 1mm, and 1.2mm. So it is the best material for making cupboards.
Q:Where do China and foreign countries do more refractory materials?
Zhengzhou Xinde yuan Refractories Co., the company's products have high alumina brick, clay brick, light insulating brick, wear-resistant pouring material, corundum castable, low cement castable with high strength, impervious material, material, plastic, and self shaping of various grades of cement and unshaped refractory materials. For different industries have antistripping high alumina brick, brick, alkali phosphate brick used in cement industry, boiler industry with various grades of wear-resistant brick, corundum brick, mullite brick and other forming material. Companies adhere to the "product quality for life, enterprise integrity as the foundation", in the fierce market competition, has won the trust and praise of many users. Refractory products are sold throughout the country and exported to Vietnam, India, South Korea, Pakistan, Iran and other Southeast Asian countries and regions.Companies adhering to the "quality first, reputation first, customer first" to the management of physical science, strong technical force, perfect detection means, advanced process equipment, stable product quality as the quality guarantee.
Q:What's meaning of CN of fire-resistant material?
The commonly used preparation methodsinclude shock compression, high-pressure pyrolysis, ion implantation, reactive sputtering, plasma chemical vapor deposition, electrochemicaldeposition, ion beam sputtering, , low-energy ion radiation, pulsed arc discharge,pulsed laser inducing, etc. But the compounding result of superhard materialis not ideal due to deposition of amorphous CN film, nanometer level sizedC3N4 crystalline grain set in the amorphous film and few large graincrystal.
Q:Who knows the model of fireproofing materials?
There are many kinds of fireproofing materials, it's hard to discuss it in detail, but i can talk about the PC fireproofing material with you. There are various models of PC fireproofing materials, the materials manufacturer usually used are common materials; it's divided into the following levels according to fire rating: UL94 VO level, UL94V1, general products can reach V2 level. hope it can help you.
Q:What refractory materials are used in power plant
And then I will introduce some application of thermal material in power plant (below) I hope I can help you. Energy saving is the trend of future industrial development efforts, grinding machine, conveyor belt, so the production of light thermal insulation materials will gain state support, drying kiln. Our factory mainly produce light thermal insulation brick. The refractory material we use most is light insulation brick, and the equipment used is sand mixer (Luohe, Henan)
Q:Is it necessary for the frame of glass fireproof door to be crammed with fire-proof material?
Fire resistance steel door——means that use a cold rolled steel sheet as door frame, door plank and framework, and stuff a door leaf with incombustible material.
Q:Can I use ordinary cement with the addition of sand, clay, and salt as refractory material to paste the stove?
Add some hair and slags, or it will crack before calcination.
Q:Which industry does refractory belong to?
It belongs to construction industry.
Q:Are fire materials poisonous after burning?
Neutral refractory is mainly composed of alumina, chromium oxide or carbon. Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick with chromium oxide as its main component has good corrosion resistance, but its thermal shock resistance is poor, and its deformation temperature is lower at high temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, good thermal shock resistance, high strength, resistance to acid and salt corrosion, especially weak acid has good resistance, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry.
Q:What are the fire resistance ratings of the glass partition?
The glass partition system is composed entirely of metal structures, glass, color plate and other materials which also has fire resistance capacity. When the inner structure of the system is steel structure, the fire resistance of which is 30 mins, 60mins or even longer. The fireproof glass is a special glass which is able to maintain its integrity and insulation in a fire resistance test. According to fire resistance performance, it can be divided into three categories: Class A: The fireproof glass which meets demands of fire integrity and fire insulation at the same time. This glass has advantages of excellent transmittance, fire-proofing(smoke resistance, fire insulation, and blocking heat radiation), sound insulation and impact resistance. It can be applied to architectural ornaments, fire resistant timber doorsets with steel structure, windows, upper beam, partition walls, daylighting roofs, ceiling screens, perspective floor and other building components which need transparency and fireproofing. Class B: The fireproof glass which meets demands of fire integrity and thermal radiation intensity at the same time. This glass is mostly composite fireproof glass which has advantages of transmittance, fireproofing, and smoke resistance. Class C: The fireproof glass which only meets demand of fire integrity. This glass has advantages of transmittance, fireproofing, smoke resistance and high intensity. It can be applied to fireproof glass partition walls, fire windows and with no requirements on outdoor curtain walls, etc. The fireproof glass can be classified as composite fireproof glass and single chip fire-proof glass in terms of structure.

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