brown fused alumina bfa is bauxite, coke, anthracite as main raw materials, made more than 2000 degrees high temperature melting, hitches in arc through the mill grinding, plastic, magnetic separation to iron, screen is divided into a variety of particle size, dense texture, high hardness, particle formed globular.High consolidation is suitable for making ceramic, resin abrasive and grinding, polishing, sandblasting, precision casting, etc.
Product Name Brown aluminum oxide grinding
Material AL2O3
Color brown
Standard JIS
Grade Top
Brade Rock
Al2O3 >95
Packaging & Shipping
Packaging Details 25kg PVC bags+1MT big bag.
Port Tianjin/Qingdao Port
First, abrasive corundum product profile
It is made of high quality aluminum oxide powder as raw material and refined by electrofusion. It has high purity, good self-sharpening, acid and alkali corrosion, high temperature resistance and high thermal performance. Its hardness is slightly higher than that of corundum, high, self-sharpening, grinding ability, heat a small, high efficiency, acid and alkali corrosion, high temperature thermal stability. Made with abrasive, suitable for grinding high-carbon copper, high-speed
Second, abrasive corundum use applications
Widely used in refractory materials, consolidation abrasive, coated abrasive, precision casting, casting coatings, all kinds of high-end products, processes or hardware products such as landscaping treatment, but also for refractory bricks, castables, slippers and so on.
Third, polished corundum prices manufacturers
Jinlin refractory material factory long-term production of dense fused corundum price concessions are guaranteed, sandblasted corundum price hotline 08613629566279 ningxia jinlin dense fused corundum melting point high bulk
Coated abrasives BFA brown fused alumina
Brown aluminum oxide crystals is made of bauxite/anthracite coal, and smelted in electric-arc furnace of high temperature more than 2000degrees.Abrasives tools made by brown fused alumina are suitable for metal with high tensile (like:steel, malleable iron, bronze etc).and suitable for grinding, polishing, blasting, precision casting etc.Brown aluminum oxide crystal is also used for refractory material. Brown aluminum oxide crystals with characteristics like: high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion resistance, high temperature, high strength.
Chemical analysis:
Al2O3(min) 92%
SiO2(max) 2%
Fe2O3(max) 2%
TiO2(max) 4%
Physical characteristics:
color Brown
Mohs Hardness 9.0
Melting point 2250
Maximum service temperature 1850
Bulk density 1.53-1.99g/cm3
Specific gravity 3.6-3.9g/cm3
Purpose:
1.grinding for konescope/glass/monocryst alline silicon/lens/jadeware
2.abrasion-proof material for expressway/airstrip/dock/ parking lot/stadium
3.bonded abrasives and coated abrasives
4.surface preparation and finishing
5.Thermal Spraying(Plasma Spraying)
6.Super Refractories, Ceramics and Tiles
7.Lapping & Micro-blasting applications
Brown fused alumina is made of bauxite/anthracite coal. Abrasive tools made by brown fused alumina are suitable for metal with high tensile(like: steel, malleable iron, bronze etc).and suitable for grinding, polishing, blasting precision casting, and also for refractory material. Brown fused alumina with characteristics like: high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion resistance, high temperature, high strength.
Brown fused alumina is fused and crystalized under high temparature from a mixture of bauxite and other raw materials.It is characterized by its high hardness, good toughness and sharp shape in size.Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as:carbon steel, generalpurpose alloy steel, annled malleable cast iron and hard bronze , etc.It also can be used as refractory materials.
Brown aluminum oxide abrasive is fused and crystallized under high temperature from a mixture of bauxite and other materials. It is characterized by its high hardness, good toughness and sharp shape in particles. Suitable for grinding metals of high-tensile strength such as carbon stele, general purpose alloy steel, malleable cast-iron and hard bronze etc.
The electrically white fused aluminum oxide is produced from aluminum used as the raw material by high temperature melting in electrical arc furnace.The product comes up to the national standard gb 2479--83. The electrically white fused aluminum oxide, which possesses high pruity, good chemical stabillity and high refractoriness, is a basec raw material for manufacturing high grade fused aluminum oxide and mullite refractories, as well as for the abrasives and grinding industris.
White fused aluminium oxide is made with an electric furnace from high-grade alumina powder as raw material. The resulting mineral has higher hardness and slightly lower toughness than brown fused alumimium oxide. Characterized by its high purity, strong grinding ability, abrasive tools made of it are suitable for grinding and polishing of cutting tools, precision-castings, spraying and coasting, medium body for chemical industry applications, special ceramics and high-grade refractory materials.
95%Min Al2O3 Refractory Material Abrasive Fused Brown Alumina made from Calcined Bauxite, also known as Brown corundum, also called as emery,95%Min Al2O3 Refractory Material Abrasive Fused Brown Alumina main chemical composition is AL2O3, and alumina content of Brown Fused Alumina is 97% -70%.95%Min Al2O3 Refractory Material Abrasive Fused Brown Alumina also contains a small amount of brown corundum abrasive stones such as Fe, Si, Ti.
95%Min Al2O3 Refractory Material Abrasive Fused Brown Alumina is hard and tough material, used in manufacturing of grinding wheels (both vitrified and resin bonded) and coated products. These grains are also widely used for shot blasting and polishing media.
BFA for Refractory materials: 0-1mm, 1-3mm, 3-5mm, 5-8mm, 200 #, 325 #
Brown fused alumina For Abrasives: F24- F60
Brown fused alumina For Sandblasting: F10 -240
Brown fused alumina For Precision Casting: F80 - F120
BFA for Ceramic, electronic polishing category: F240-F800
95%Min Al2O3 Refractory Material Abrasive Fused Brown Alumina
Product name
Main Indicators (%)
Density
(g/cm3)
Appearance
Usage
Al2O3
Fe2O3
SiO2
Brown fused alumina/BFA
â?¥95
â?¤0.3
â?¤1.5
3.85
Brown-Red particle
Grinding wheels
90
â?¤1.3
â?¤1.5
3.85
Black granular
gray powder
Polishing,grinding
85
1.8
1.5
3.85
Black granular
gray powder
Grinding, Cut pieces, sandblasting
80
2.3
1.5
3.85
Black granular
gray powder
Polishing,blasting
70
4.3
1.5
3.85
Black granular
gray powder
Floor
CENTER DERPESSED GRINDING WHEELS: This product is made from multi-layer fibreglass and resin as reinforcing material. And it features high tensile strengthú¼resistance and bending resistance strengths, the using linear velocity can reach 80m/s, Its widely used in the industry line of the mechanism, motor cars, shipping, metallurgy, chemical industry, also it can be used in the modern housing, workshop ironing polishing and equipment repair.
Brown fused alumina uses bauxite, coke as the main raw material, smelting in the electric arc furnace at high temperature. The composition of brown corundum mainly include AL2O3, TiO2, also contains a small amount of SiO2 and Fe2O3, micro hardness is HV1800-2200. The toughness is lower than silicon carbide, higher than that of white corundum, hardness is 9.0, slightly lower than the same level of white fused alumina. Commonly used brown fused alumina can be divided into brown fused alumina powder, brown fused alumina segment of sand,brown fused alumina granular sand. Today, I mainly explain the brown fused alumina powder related knowledge for you.
Brown fused alumina powder specifications:
Commonly used brown fused alumina powder specifications: 325,400,600,800,1000. . . . (Head) Gongyi Qingyun Refractories Co., Ltd. can adjust production according to customer requirements?
brown fused alumina powder
brown fused alumina powder
Properties of brown Alumina powder
The brown fused alumina powder has moderate hardness, high toughness, good self-sharpening ability, low sand consumption and recyclable use, good abrasion and abrasion resistance, and chemical composition stability, abrasion resistance, acid and alkali resistance. Especially its high hardness, specific gravity large, chemical stability and its unique self-sharpening, etc., so used as the first choice in brown fused alumina abrasive sandblasting process , but also the best choice for cleaning up the work piece.
Abrasives made of brown fused alumina powder , suitable for processing a variety of general steel, malleable iron, hard bronze, etc., can also produce high-grade refractories. Brown fused alumina abrasive use high-quality brown fused alumina as raw materials, using modern new unique technology from refining.Brown fused alumina sandblasting has characteristics of short grinding time, high efficiency, good efficiency and low price. The abrasive shell-shaped fracture, sharp edges and corners, in the crushing classification in the formation of new edges and edges, so that the grinding ability is better than other abrasives.
Brown Fused Alumina for Abrasion Resistance Ground Brown fused alumina can be used for highway road, airport runway, non-slip road, factory board paving and surface decorated material of dam. Brown fused alumina is fused in the electric furnace with the high quality abrasive grade bauxite , coal and scrap iron as the raw material. Brown Fused Alumina for refractory is characterized by high purity, good crystal, strong fluidity, low coefficient of linear expansion ,good corrosion-resistance and so on. Brown Fused Alumina cant burstpulverize and craze in the using course. In particular, its performance-cost ratio is much higher than traditional Brown Fused Alumina, making Brown Fused Alumina become the best aggregate and padding of brown fused alumina refractory materials.
1.Brown Fused Alumina is fused and crystallized under the high temperature of above 2250
degree centigrade with high quality bauxite,carbon and iron as raw material.
Our product characterized by high purity,good crystal,strong fluidity,low coefficient of linear expansion,good corrosion-resistance and so on.Could not burst,no pulverization and crack in using course of refractory.
1.Place of original: HENAN
2.Material:AI2O3
3.Real Density: 3.9g/m3
4.Bulk density: 1.53-1.99g/m3
5.Melting point: 2250
6.Refractoriness:1900
7.Mohs hardness: 9.0
8.Usage: abrasive/blasting/polishing/refractory
9.Packages: 25kg PPbag, 1MT Jumbo bag, pallet, 25kg paper bag or as customer's requirement.
10.Certificate: ISO9001,
11.Sampla: free
12.MOQ: 25ton
13.Color: Brown
Supply Ability
3500 Ton/Tons per Month.
Brown fused alumina P220# for coated abrasive paper
Brown Fused Alumina is fused in the electric-arc furnace under the high temperature of above 2250�°C with high quality bauxite as raw material and matched by the carbon material and scrap iron .Then, it was crushed by autogenous mill, removed the iron through magnetic separation, screened to variety granularity.
we product 4 grades brown fused alumina, with different al2o3 content,
grade A: Al2O3 92-96%,Fe2O3 0.2-1.0%,SiO2 1.0-3.0%,TiO2 1.5-3.8%.
grade B: Al2O3 85-90%,Fe2O3 6-10%,SiO2 1.5-4%,TiO2 2-4%.
grade C: Al2O3 70-80%,Fe2O3 8-15%,SiO2 2-5%,TiO2 3-5%.
grade D: Al2O3 55-65%,Fe2O3 12-20%,SiO2 15-25%,TiO2 4-6%.
Advantages:
1.High hardness and high purity.
2.Corrosion resistance.
3.Grinding performance is good.
4.The applicable scope is wide.
5.The price is cheap.
6. Good wear-resisting performance,resist to shock
From the day of our commencement, we are engaged in manufacturing and supplying of Brown Fused Alumina. Known for their features like optimum hardness, tough and sharp abrasives, these are suitable to grind high tensile metals. Our offered Brown Fused Alumina is tested on various quality parameters to ensure effectiveness. Moreover, these are used in manufacturing of grinding wheels, refractory products, micro blasting applications, surface hardening, general abrasives applications etc. Customers can avail these from us in desired quantity and at market competitive rates.
Remark: specification and size can be optimized by per customer' requirement
Packing: 1 MT big bag or 25kg paper bag *40 bags on one pallet ;
As per customers requirement
FAQ :
Q1. Will the FREE SAMPLES be provided for buyers?
- YES. We will provided FREE SAMPLE about 1kg
Q2. How about the express fee?
- Our companys policy is the buyer pay for express fee.
Q3. Is there QUALITY REPORT for the products?
- YES. We provide quality report of our company or CIQ,SGS according to clients requirements
Brown fused alumina is manufactured in electric arc furnace, using bauxite as raw material. High hardness and toughness, it is an important raw material of abrasive and refractory industries. It can be used for belt, ceramic, coated, high-grade, and organic abrasives.
The product can be used as abrasive and refractory material. The abrasive tools made by brown fused alumina are suitable for grinding carbon steel, normal alloy steel, malleable cast iron and hard bronze, etc. Brown fused alumina can also be used for making fine quality refractory.
Brown aluminium oxide has high toughness. Micro hardness is 1800-2200kg/mm2, abrasive articles made of it are suited for grinding metals of high-tensile strength such as steel, annealed malleable iron and hard high-class refractory products.
The application scope of brown fused alumina:
1. For abrasive
2. For refractory materials
3. For sandblasting abrasive
4. For abrasion resistance ground
5. For producing mold of precision casting.
Brown fused alumina is called industrial teeth, in addition to the application in refractories, can also be used in sandblasting, free grinding, resin abrasive, filter media, hydraulic cutting and so on. Brown fused alumina sand put bauxite as raw material, obtained by high temperature smelting, its basic mineral is a-Al2O3, the hardness of brown fused alumina sand is high, high melting point, thermal conductivity, high temperature volume stability, not easy to crack, acid resistance,alkali resistance , suitable for casting core surface sand, paint and investment casting system shell material, and can be used as plain carbon steel, alloy steel, hard bronze, cast iron pieces of coarse grinding and free abrasive. The price of brown fused alumina is lower than that of same level white corundum, it has a better cost performance.
Brown fused alumina sand often is irregular prism reddish brown or brownish black particles, bulk density: 1.65g / cm, hardness 9.1. The composition of brown corundum are (%): Al2O3: 92-98.8%, SiO2: 1.3-%. Product specifications: 16 # 20 # 24 # 30 # 36 # 46 # 60 # 80 # 100 # 120 # 150 # 180 # 200 # 240 # 260 # 280 # 320 # 400 # 500 # 600 # 800 #. Packing: 25KG / woven belt. Qingyun corundum refractory companies can also produce according to customer requirements.
brown fused alumina sand
Brown fused alumina sand, brown fused alumina powder is with moderate hardness, high toughness, strong anti-crushing ability, high temperature resistance, oxidation resistance, corrosion resistance, low cost, strong applicability, high purity, good crystallization, strong liquidity, low linear expansion coefficient , Corrosion resistance and other characteristics. In the application process has not detonated, not powder, no cracking, widely used in abrasive abrasive, refractories, sandblasting, grinding and polishing, wear-resistant floor of silicon carbide, precision casting mold shell production. Brown fused alumina sand can be made of sandpaper, emery cloth, grinding wheel, grinding stone, refractory materials, casting, anti-skid sand.
