$Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1 System 1$
$Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1 System 2$

$Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1$

$Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1 System 1$

$Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1 System 2$

Raw Materials for Refractory:Bauxite for Bricks and Refractory Grade 1

Ref Price:

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:	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

$Bauxite raw materials for making bricks, refractory bauxite 1$

Q:Can anyone tell me what is a high alumina refractory?: Refractories refer to a class of inorganic non-metallic materials whose refractoriness are no less than 1580 ℃. Refractoriness is the Celsius temperature when cone-shaped samples can resist high temperature without softening and melting down in the absence of a load. But it is not accurate to define refractory merely by judging that whether the refractoriness is no less than 1580 ℃. Currently, the materials whose physical and chemical properties allow them to be used in high temperature environments are called refractories. Refractory materials are widely used in metallurgy, chemical industry, petroleum, machinery manufacturing, power and so on, among which the metallurgical industry is the largest demander in this regard, accounting for 50% to 60% of total output. Hope it will help you out!

Q:What kind of refractory materials are used in the intermediate frequency furnace?The domestic boric acid can be used as a lining?, how much is the rate?: Acid, neutral, basic and composite materials are used in intermediate frequency furnace. Boric acid is used according to the type of steel, the specific ratio is too generalized, and it shall be determined when the type of steel is detailed.

Q:Does the external wall thermal insulation materials level b1 need the fire barrier zone?: Residential buildings should meet the following requirements: 1, The height of building is greater than or equal to 100m, the combustion performance of thermal insulation material should be level A. 2, The height of building is greater than or equal to 60m but less than 100m, the combustion performance of thermal insulation material should not be less than the level B2. When using the level B2 thermal insulation material, each layer should set a horizontal fire barrier zone. 3,The height of building is be equal or greater than 24m but less than 60m, the combustion performance of thermal insulation material should not be less than the level B2. When using level B2 thermal insulation material, each two-layer should set a horizontal fire barrier zone. 4, The height of building is less than 24m, the combustion performance of thermal insulation material should not be less than the level B2. Besides, when using level B2 thermal insulation material, each three-layer should set a horizontal fire barrier zone. According to this understanding, it can not be set.

Q:As for fireproofing material rock wool and glass wool, which one is better?: As for fireproofing effect, the effect of rock wool is certainly better than glass wool , the highest temperature of rock wool is 1100 ℃, but the temperature of glass wool is only 600 ℃. In addition, if it's used in the external walls, then,unit weight of the glass wool is limited,and high unit weight can only be 60-90, but unit weight of rock wool can reach over 140, now external wall can't use glass wool, and only rock wool is A class fireproofing material. glass wool has lower thermal conductivity, rock wool has longer fiber length,as for the price, tons price of glass wool is more expensive than rock wool, but if it's acculated by square, square price of glass wool is cheaper than rock wool.

Q:How to do environmental impact assessment for refractory Co., Ltd.: 1, first of all, the EIA unit and the construction party signed the EIA contract. The contract is only legally valid. Generally speaking, the contract will indicate that the first payment has been received before the work begins.2. Collecting information. This is a very important link in the EIA, which is directly related to the quality of the eia. There is a great variety of data,Generally, the construction party will write a list of environmental impact assessment information.

Q:What is the role of the vermiculite fireproof material?: It can be widely used in construction, decorative ceiling, wall, floor and fireproof door . Especially suitable for airport, railway station, passenger terminal, exhibition hall, hotels, shopping malls, hotels, and other public places and factory, fuel warehouses which have high requirements for fire proofing, etc. With its special thermal insulation, it can also be made to the various types of heat insulation board offered to machines (such as a variety of industrial furnace and assembly line equipment) and furniture, etc. Due to the low density of the product itself, a lot of shipyards in foreign countries use it as ceiling, wall and deck, so the development potential of the domestic shipbuilding market is huge.Expanded vermiculite is porous, lightweight, and dystectic, the most suitable for insulating materials at high temperature (below 1000℃) and fire insulation materials. In the experiment, 15cm- thick cement vermiculite burns for 4-5 hours under 1000℃, but the back temperature is only 40℃. 7 cm-thick vermiculite slate burns for 5mins through the fire flame welding net under 3000℃, the frontage melted, but you don’t feel hot with your hands holding the back side. According to aforementioned, vermiculite slate is superior than all insulating material, such as asbestos, and diatomite products.

Q:Why the corundum can be used as refractory: It can resiatant to friction wear.The alumina material is a kind of neutral material with high temperature resistance, anti-acid, anti-corrosion, alkali resistance, and high hardness of corundum. The disadvantage is the poor thermal shock resistance, the main chemical composition of corundum is aluminium oxide and the melting point of corundum is 2080 degrees

Q:What is the difference in the nature between the refractory material and thermal?insulation?material: thermal?insulation?material is used to thermal insulation and the transfer of heat insulation. refractory material is defined as greater than 1580 ° non-metallic materials, such as calcium silicate board. its using temperature can reach to 1100 degrees, and some can also be used at high temperatures, and all high-temperature industrial can't be oprated without it, and the using temperature of polycrystalline alumina fibers can reach to 1800 degrees

Q:What kind of refractory bricks material is best?: In general, aluminous fireclay brick is used. GB / T 3994-2005 insulating fireclay brick. Bricks with good material are as follows: high-grade thermal insulation refractory brick, GB/T 3995-2006 high alumina thermal insulation refractory brick. Model is A13, and the texture is aluminium oxide. A13 50u, high grade heat insulating brick B5; intermediate heat insulating brick B2, etc.

Q:What are the materials for refractory materials? What are their names?: Basic refractories in Magnesium Oxide and calcium oxide as the main ingredient, commonly used is brick. Magnesium Oxide 80% to more than 85% containing magnesia brick, has good resistance to alkaline slag and slag, refractory clay brick and brick high ratio. Mainly used in open hearth furnace, oxygen converter, electric furnace, non-ferrous metal smelting equipment and high temperature equipment.

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