Brown fused aluminum oxide, otherwise known as Brown Fused Alumina or BFA, is produced through an electric arc furnace process. Brown fused aluminum oxide is both a hard (Mohs hardness 9) and tough material with high strength, making it an excellent abrasive grain raw material for applications such as blast media, sandpaper, grinding wheels and abrasive discs, rolls, belts and pads. Its thermal properties make it an excellent raw material for refractory applications, as well.
Because Brown Fused Aluminum Oxide has a high bulk density and high hardness making it the perfect media for removing rust, mill scale, and surface contamination. The consistent particle size allows for a uniform surface finish and coverage.
Additionally, BFA has a low friability which allows it to be recirculated on average, up to seven times. These characteristics reduce abrasive consumption, clean up, and disposal costs, increasing profitability.
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A flap barrier works with a fare collection system for public services where entry is strictly for paid visitors. The barrier controls the human traffic allowing only paid entries. The flaps open only when the visitors produce tickets to the service. Found in Metro/Bus stations, the flap barriers provide real help in controlling human movement.
Improves security at busy public service stations
Integrated with the access control device
Collects fare through an electronic system
Works automatically â?? flap opens only for a certain time
Strengthens the fare collection system
Ensures disciplined human traffic movement
Requires no physical monitoring
Works on a DC motor
Energy efficient
Material: aluminum oxide
color: brown
Application: for iron, steel, stainless steel, cast iron, aluminum, wood, plastic and other nonmetals.
Advantage: high elasticity, good self-sharpening, high grinding rate and low noise
Brown Fused alumina 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., can also be used for manufacturing advanced refractories
China Origin High Quality green silicon carbide for spectralite Surface polishing
Green silicon carbide is made of quartz sand, petroleum coke (or coal char), salt and other raw materials through high temperature smelting by resistance furnace, Green Silicon Carbide have high rigidity with strong cutting force, steady chemical property, and good capacity of heat-transmission and metal-cutting.
green carborundum powder physic-chemical properties
SiC
98.5%-99.5%
Fe2O3
0.05-0.1%
F.C
0.1-0.2%
MohsHardness
9.4(min)
Specific Gravity
3.2g/cm3
sample
240#-2000#
green carborundum powder is made of quartz sand, petroleum coke (or coal char), sawdust, salt and other raw materials through high temperature smelting by resistance furnace.
green carborundum powder physic-chemical properties
SiC
98.5%-99.5%
Fe2O3
0.05-0.1%
F.C
0.1-0.2%
MohsHardness
9.4(min)
Specific Gravity
3.2g/cm3
sample
240#-2000#
green carborundum powder is made of quartz sand, petroleum coke (or coal char), sawdust, salt and other raw materials through high temperature smelting by resistance furnace.
Sandblasting SiC green silicon carbide grit is made of quartz sand, petroleum coke (or coal char), salt and other raw materials through high temperature smelting by resistance furnace, Sandblasting SiC green silicon carbide grit presents green & semi-transparent, its hardness and purity are all superior to black Silicon Carbide. Sandblasting SiC green silicon carbide grit have high rigidity with strong cutting force, steady chemical property, and good capacity of heat-transmission and metal-cutting.
Ceramic grinding SiC Green silicon carbide grain is made of quartz sand, petroleum coke (or coal char), salt and other raw materials through high temperature smelting by resistance furnace, Ceramic grinding SiC Green silicon carbide grain presents green & semi-transparent, its hardness and purity are all superior to black Silicon Carbide. Green Silicon Carbide have high rigidity with strong cutting force, steady chemical property, and good capacity of heat-transmission and metal-cutting.
Place of Origin: China
Material: Silicon Carbide (SiC)
Color: Black/grey
Material: Silicon Carbide Ceramics
Volume density: 3.10-3.15 g/cm3
Max temperature: 1600C
Silicon carbide content: 98%
Flexural Strength: 400 MPa
Hardness 92 HRA
Size: Customizable
Application: Industrial Furnaces
Supply Ability: 5000000 Piece/Pieces per Month
Packaging Details: Standard exporting packing
Port of shipment: Xiamen
Lead Time  :15-30days
Payment term: T/T,L/C etc.
The cemented carbide seal ring is made of tungsten carbide powder as the raw material, cobalt powder or nickel powder as the binder, pressed by a certain mold, sintered in a vacuum furnace or hydrogen reduction furnace, and made of high strength and high hardness cemented carbide material, which is not deformed and more compressive. As the most widely used mechanical seal products, cemented carbide seal ring has the characteristics of high hardness, wear resistance, corrosion resistance and so on.
Condition : Good
Quality : Good
Storage : Cool and dry place
Purity : 100%
Specialty : Highly Effective
Application: Blasting/ Cleaning Media
Color: White
Specific Gravity: 3.6 - 3.85
Delivery Time: 1 Day
FOB Port: Greater Noida
Payment Terms: Cash in Advance (CID), Cash Advance (CA)
Main Domestic Market: All India
Type : White Fused Aluminium Oxide
Colour : White
Melting Point: 2050c
Linear Expansion Coefficient: 8*10Ã??Ã?ÂÃ??Ã?²6 /k (20Ã??Ã?ÂÃ??Ã?²1000c)
Thermal Conductivity *: 36 W/(M*k) (25c)
Place of Origin : Greater Noida
