Bauxite raw materials for making bricks, refractory bauxite 1

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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

Place of Origin:

Shanxi, China (Mainland)

Shape:

Block

Material:

Alumina Block

SiO2 Content (%):

<8%< p="">

Al2O3 Content (%):

75%-90%

MgO Content (%):

<0.5< p="">

CaO Content (%):

<0.5< p="">

Refractoriness (Degree):

1770°< Refractoriness< 2000°

CrO Content (%):

0.0

SiC Content (%):

0.0

Model Number:

75,80,85,86,87,88,90

Brand Name:

CNBM

Fe2O3:

3.0 max

K2O+NA2O:

0.3 max

TIO2:

0.4 max

CaO+MgO:

0.5max

shapes:

granula and powder

bulk density:

2.70min

H.S.code:

2508300

Moisture:

0.03% max

color:

yellow,black and white granula and powder

application:

abrasive ,cement ,chemical, metallurgical, and refractory and so on





Packaging & Delivery

Packaging Details:25kg/Bag,1Mt/Bag,1.25Mt/Bag; Or as per Client's request
Delivery Detail:7-15 days upon receipt of prepayment by TT or L/C

Specifications

Calcined bauxite: 
1.16 years producing experience; 
2.self-owned mines; 
3.competitive price; 
4.strictly quality control

Calcined bauxite  specification:

 

Grade

AL2O3

FE2O3

TIO2

K2O+Na2O

CaO+MgO

Bulk density

75

75min

≤3.0

≤4.0

≤0.3

≤0.5

≥2.70

80

80min

≤3.0

≤4.0

≤0.3

≤0.5

≥2.80

85

85min

≤2

≤4.0

≤0.3

≤0.5

≥3.00

86

86min

≤2

≤4.0

≤0.3

≤0.5

≥3.10

87

87min

≤2

≤4.0

≤0.3

≤0.5

≥3.20

88

88min

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25

90

90min

≤1.8

≤4.0

≤0.25

≤0.5









Bauxite raw materials for making bricks, refractory bauxite 1

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Q:What are the applications of refractory in petroleum?
Petroleum industrial furnace has many varieties. Generally, it includes tubular with complex structure, whose use temperature is generally 500 to 600 degrees centigrade, sometimes may be 800 degrees centigrade. Petroleum gas contains hydrogen sulfide and solid particulate matter; first correct the answer of the first floor: It is not used in petroleum industry. As shown in the left picture, it is tubular heating furnace, appilied to metallurgical industry. Lined with lightweight insulation and wear-resistant layers, and resistant to wear and corrosion: 1; & nbsp, but the using temperature is not high; it is a thermal equipment in the oil refining process. High alumina refractory castable used for refractory layer. It is an important equipment of petroleum boiling catalysis and dissociation. You can choose light refractory bricks or refractory castables; as shown in the right picture, it is catalytic cracking unit, and can bear pressure. Note; & nbsp: // f; & nbsp.hiphotos, fire-resistant plastic or refractory ramming mass has chemical corrosion and wear effect on lining; & nbsp, less than 1,350 degrees centigrade. The yse temperatures is up to 1,100 degrees centigrade.
Q:What are the differences and connections between softening temperature of the refractory under a fixed load and thermal resistant creep property of the refractory?
The result of refractoriness under load is temperature while the result of creep is percentage of deformation. Refractoriness under load and creep can be tested by an instrument. Refractoriness under load reflects the temperature in which the deformation reaches a certain degree under the condition of load. Creep reflects the deformation refractory has under the condition of constant temperature and load. Both refractoriness under load and creep are important criterion for the operating temperature of refractory.
Q:The history of refractory material
Q:which kind of material is chosen for fireproofing window?
(1) window frame uses steel frame or wooden frame with certain strength that can safeguard the integrity and stability of the components. (2) steel frame and mound layer can choose galvanized steel sheet or stainless steel plate. Its selection criteria conform to the article 5.1 in GB12955 Steel Fireproof Door General Technical Condition. (3) the selection criteria of wooden frame and mound layer should conform to the article 5.1 in GB12955 Wooden Fireproof Door General Technical Condition. (4) the inside filler material of steel, wood frame should use incombustible material. (5) fire-resistant glass can choose test approved products without affecting the fire resistance of fireproofing windows . Light transmittance of glass should not be less than 75% of same layers commom sheet glass. (6) the sealing material between the frame and the fire-resistant glass should use flame retardant materials, it can play a role of fireproofing and smoke insulation in the fire.
Q:Is fireclay poisonous?
Refractory materials are typically oxides, alumina, magnesium oxide and aluminate cement and etc, which are non-toxic.
Q:What is the difference between wear-resistant material and refractory material?
Focus is different. Wear-resistant material may or may not be refractory. Such as, aluminum oxide ceramics is both refractory and wear-resistant, and many organic wear-resisting materials are wear-resistant but not fire-resistant. First, refractory material should be refractory. It should be wear-resistant in special cases. High-temperature fluidized bed, trough, etc. need refractory material with high strength and good wear resistance.
Q:What materials is silicious thermal insulation board made of?
Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Of course the amount of insulation board materials used by different companies is different. In terms of Hua Heng, siliceous insulating boards can be divided into insulating panels for casting slabs and insulation board for intermediate tank according to the usage. The latter one can be divided into liner plate (wallboard, side panels, baseboard) and impingement plate based on parts it is used on. Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Method for manufacturing a silicon insulating panel is divided into semi-dry method and wet method. It is used for casting ingot insulation cap of the killed steel and continuous casting tundish.
Q:Preparation of refractory clay
Is it to make refractories? Add some andalusite to the refractory mortar will improve the effect.
Q:Who knows what material is in the center of fireproof rolling curtain?
Material and the type high silica cloth as curtain, side rails, with galvanized steel in its end and stainless steel two kinds of materials with double curtain in the end I hope my answer can help to you
Q:What's the refractory material in common use currently?
According to its category, raw material of basic refractory: Mainly magnesite (magnesia), dolomite, lime, olivine, serpentine, high alumina material (sometimes neutral); main neutral raw material: chromite, graphite, silicon carbide (artificial).

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