• High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory System 1
  • High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory System 2
  • High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory System 3
  • High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory System 4
High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory

High Quality Pure Brown Fused Alumina BFa - Raw Materials for Refractory

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
3000 m.t./month

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High Quality Pure Brown Fused Alumina BFA

Specifications

calcined Brown corundum 
1) High Al2O3 Content: 95%min 
2) Professional manufacture 
3) Hot sale overseas



Calcined Brown corundum 

1)    High AL2O3 content: 95%min 

2)    Professional manufacturer 

3)     Prompt delivery

 

Product Description

 

Our brown fused alumina is tilting furnace type and crushed by Barmac.

we have own power station and bauxite bases, and adopt special cooling crystallization process, greatly improved its grinding precision and efficiency, applicable to make high-grade bond abrasives.

 

Main feature:

1). Low expansion coefficient

2). Good Hydrophily

3). High compression strength

4). Abrasives made from it is in blue color, no reticulate crack

 

Chemical index:

Al2O3 95.3%-96.5%

Fe2O3<0.3%< span="">

SiO2 ≤1.0%

TiO2 >2.0%

CaO ≤0.45%

 

Physical index:

True Specific gravity 3.97g/cm3

Cleanliness > 97.5%


Application

 

1.     High-grade refractory materials

2.     suitable for making ceramic and resin bonded abrasive tools

3.     used for grinding metals of high-tensile strength

4.     Aviation

5.     LED

6.     Sandblasting

 

Pictures:

 

High Quality Pure Brown Fused Alumina BFAHigh Quality Pure Brown Fused Alumina BFA

High Quality Pure Brown Fused Alumina BFAHigh Quality Pure Brown Fused Alumina BFA


If you’ve any enquiries, please don’t hesitate to let us know.


Q: Who knows the setting requirements of roofing fire barrier zone?
First, the the minimum of fire barrier width is greater than 30cm, and the thickness should be same to the thickness of the insulation materials. Fire barrier zone insulation board must do the whole area sticking construction with the base wall during the construction. Fire barrier zone insulation board is required to assistant binding by anchor bolt, anchor bolt must suppress the underlying mesh. Second, Fire barrier zone should be set at the upper position of door and window openings, the distance between the low edge of isolation belt and the upper edge of the window must be less than 50cm. The thermal resistance of fire barrier zone must be half than EIFS thermal resistance in the cold northern areas, while the thermal resistance of fire barrier zone must be three times than EIFS thermal resistance in the hot summer and cold winter area. Third, When the fire barrier zone is set on the edge of the window, fire barrier zone at the upper part of the window should do flanging when sticking, flanging glass fiber mesh must exceed 10CM than firebreak insulation board. Flanging network, underlying network and surface network can not be overlapped or butted at the top of the window. I hope you can be satisfied
Q: How can refractory materials be divided?
There are many criteria for the classification of refractories.Just referring to a book about refractory.
Q: What are the characteristics of magnesium fireproof plate
Glass magnesium fire resistance plate is fire proof, water proof, noise insulative, heat perservative, non-toxic and tasteless, corrosion proof, easy for construction, can be sawed and nailed and have a wide range of applications as well as long service life. These advantages allow it to be widely used in construction, decoration, fire protection and be the best material to replace is to replace plywoods, MDF, particleboard, gypsum board. It is a key environmental building materials recommended by national association of construction and decoration. 1 superior fire resistance performance. 2 weather fastness, long service life. 3. light weight and anti-seismic 4 high toughness, good impact resistance and compression resistance. 5 green and environmental 6 economical 7 sound insulative and heat insulative 8 convenient for processing and easy for construction.
Q: Which schools are the best schools in the world for learning knowledge about refractories?
Wish it helps you out.
Q: What are the common refractory insulation cotton material?
I know less about this, I hope the following will help: Fire resistant thermal insulation material mainly refers to inorganic thermal insulation material and compround thermal insulation material. According to the shape can be divided into: Fibrous finishes, slag wool, rock wool, glass wool, aluminum silicate cotton. ceramic fiber, micro pile of diatomite, calcium silicate, expanded perlite, expanded vermiculite, aerated concrete etc., foam like bubble glass, volcanic ash glass, foam clay, foaming concrete, paste powder polystyrene particles insulation slurry
Q: Which one is better, fire-resistant wood or steel?
From the aspect of low-carbon and environment protection, the steel and timber structures are both OK, they are both renewable resources, the steel can be recycled and melt down again and wood can continue to be planted. Fireproof board Fireproof board is a refractory material used for surface decoration. It is widely used in interior decoration, furniture, kitchen cabinets, laboratory tables, walls, and other fields.
Q: What is the particle size of boron carbide for refractories?
Ask, in the electric furnace magnesia carbon brick, boron carbide amount how many? Thank you The service temperature is around 1600.
Q: Can anyone say something about what A-level fire-proof decorative material is?
Now A-level market is very confusing. The major products are material monomer A-level and composite A-level, now a lot of B-level material is wrapped in calcium silicate board. The foam cement overall composite is level A, such as phenolic aldehyde composite, as well as some of the foam paddings, while monomer A-level includes rock wool, ultra-thin insulation panel and the like.. But there are few products with real sound A level qualification. Many manufacturers are playing the edge ball with A-level fire rating examining reports and B-level system detection reports and records, but this situation will not last long, which will soon be clear. I hope the information above can help you. Hope you adopt
Q: Graphite and other carbon materials may be oxidized to CO or CO2 at high temperatures. But why can they be refractories?
There is no contradiction for this. Any substance can be combustible, but different materials have different ignition points.There are many types of graphite. Pyrolytic graphite has a much lower ignition point. Therefore, as long as it reaches at a certain temperature, it can convert into graphite. Mostly, in practical applications (such as brake pads will add a certain amount of graphite), graphite is required to have refractoriness of below 1000 ℃. Graphite can serves as both the combustible and refractory material. So, it can be used as a fire-resistant and high-temperature-resisrant material because graphite (lamellar graphite) has a ignition point of at least 3000 degrees in an oxygen free condition. The above information is for reference only and is offered by Xin Ruida Graphite Company.
Q: What's the A grade fireproofing material?
A grade fireproofing material: 1. fire-proof plate; 2. fireproof wooden door; 3. fireproof wooden window frame; 4. fire resisting shutter; 5. fireproof and mothproof wood; 6. fireproof glove compartment; 8. fire?retardant?coating; 9. fire-proof?sealing?material.

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