High Quality Bauxite For Aluminium Metallurgy

High Quality Bauxite For Aluminium Metallurgy

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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What are details of Baiyun Bauxite?

High Quality Bauxite For Aluminium Metallurgy

Baiyun Bauxite benefits:

1) Excellent performance thermal shock, spalling and corrosion resistance.
2) Good mechanical strength and high refractoriness.
3) Reduce the residue and porosity of molten steel and good slag resistance.
4) Protect precious metals of the molten steel to reach high efficiency.
5) Labor and cost saving by prolonging campaign length.

Baiyun Bauxite application:

1. Aluminium metallurgy

2. Precision casting / Investment casting:

3. Refractory: high alumina bauxite’s refractoriness can reach 1780°C.

4. Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining

performance.

5. Producing bauxite cement

6. Chemistry industry for all kinds of aluminium compound.

7. Abrasives

8. Ceramics industry.

High Quality Bauxite For Aluminium Metallurgy

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:Who knows about the fire endurance of A grade fireproofing glass doors?: The fire endurance of grade A fire resistance rolling shutter doors should be no less than three hours. Fire doors can be divided into A, B and C grades according to their fire endurance which should be no less than 1.20 h, 0.90 h and 0.60h respectively. Places where are difficult to set fire-proof bulkheads can use fire resisting shutters as partitions of fire?compartments. The fire endurance of fire resisting shutters that include unexposed surface temperature rise as judging condition should be no less than 3 h. Fire resisting shutters that exclude unexposed surface temperature rise as judging condition should set up independent protection of closed automatic water spray system on both sides of shutters, and the duration of water spray system should be no less than 3.0 h.

Q:Does anyone know about the fire resistance period of thin fireproof coatings?: Outdoor thin steelwork fireproof coatings have a fire resistance of 2.0 hours, the thickness of coatings is between 4.5 to 5 mm, the standard amount is 5.5 to 6kg per square meter. Specific situations vary according to the thickness data provided by manufacturers . The fireproof coatings are applicable for the surface of combustible substrates, which can reduce the flammability of the surface being painted, and block the rapid spread of fire. They can be used to improve the fire resistance of the materials being painted. The fireproof coatings are coated on the substrate surfaces. They are also rustproof, waterproof, wearproof, heatproof and anticorrosive apart from flame retardant. They have good tenacity, stainability, adhesiveness, glossiness and fast-drying nature.

Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases and smoked?: See which port, if it is from the border (Pingxiang, Dongxing port), will not be needed.

Q:The mechanism and function of antioxidants in carbon containing composite refractories are briefly described.: 3, the selection principle of antioxidant and its thermodynamic and kinetic mechanism31 selection principles of antioxidants:(1) according to the thermodynamic data and the conditions of use, the possible condensed phase and the vapor pressure of each gas phase are determined;(2) compare the size of each coacervation and oxygen affinity, and the possibility of reaction with CO.(3) the influence of various reactions on the microstructure of brick was analyzed.The thermodynamic and kinetic mechanism of 3.2 antioxidantsFrom a thermodynamic point of view, at the operating temperature, the additives or additives that react with carbon react with oxygen more closely than carbon and oxygen, giving priority to carbon oxidation, thus protecting carbon;From the analysis of dynamics point of view: the compound additive with oxygen and carbon monoxide reaction changed the microstructure of carbon composite refractory materials, such as increasing the density, blocked pores, hinder the diffusion of oxygen and reaction products.

Q:How to apply the alumina powder on refractories?: The most common one in use is the refractory bricks.

Q:What is the best refractory company?: Recently, many of the activities of palladium ah, find a few big beauty shoot videos, but also to send jewelry, and draw, seems to be the need to vigorously develop the market China.

Q:What's the poured refractory material?: 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).

Q:How is the performance of refractory materials?: It is a little difficult to answer. There are some requirement for refractory materials, such as fire resistance, softness, creep, thermal shock, abrasive resistance. Besides, requirements for construction performance include: Liquidity, plasticity and other linear change rate, volume density, strength (including high temperature) and all other important indicators must be tested the same conditions with the use of test conditions and test items like body density, strength, line changes in the basic project

Q:Technical scheme of refractory for refuse incinerator: Refractory technical index1. Physical and chemical indexes of graphite brickThe volume density (g/m3 = 1.6)The compressive strength (Mpa = 23)Apparent porosity is less than 21Ash% less than or equal to 0.5The thermal conductivity at room temperature (W/M.K = 45)200 c = 43600 C = 40800 C = 352, N-4 clay brick physical and chemical indexesRefractoriness 1690Load softening temperature of more than 1300 startThe change of reheating line is%1350 DEG C * 2H - 0.5 to +0.2Apparent porosity is less than 24The compressive strength (Mpa = 20)

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