High Quality Polishing Used Black Corundum with Good Price

• Customization: Available
• Materials: Black Fused Alumina
• Abrasive: Black Fused Alumina
• Model NO.: HH-BA
• Type: Black Fused Alumina
• Grade: Fine Sand
• Bonding Agent: Ordinary Binder Sand
• Model: F16-F320
• Al2O3: 85%
• TiO2: 2-4%
• Fe2o3: 6-9%
• Sio2: 5-8%
• Specific Gravity: 3.65g/cm3
• Raw Material: Bauxite
• Hardness: Superabrasive
• Melting Point: 2050
• Highest Service Temperature: 1850
• Use: Sand Blasting, Abrasive, Polishing
• Transport Package: Ton/Bag or 25kg/Bag as Customers′ S Request
• Specification: 85%AL2O3
• Trademark: HH
• Origin: Ningxia, China
• HS Code: 281810000
• Production Capacity: 2600 Tons Per Month

Product Description

High Quality Polishing Used black corundum price
 

 

Black Fused Alumina, is a type of fused aluminum oxide, named by its black color. It's made of bauxite and Fe2O3 in tilting electric furnaces. It has lower content of Aluminum Oxide(Al2O3) and certain content of Fe2O3(about 10%).
Black Fused corundum/black corundum/black fused alumina is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite. It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products.

 

Product Details
 

Black fused alumina  chemical composition
specifications		Main chemical composition (%)
		Al2O3			SiO2
BA-1		81-85		9-11	≤8
BA-2		75-80		10-12	≤10
Black  fused alumina physical characteristics
1		color		Black
2		Moh's hardness		9
3		True density		3.2-3.5g/cm3
4		Melting point		2050ºC
5		Maximum operating temperature		1850ºC

Application

1. Extremely hard, sharp, and durable abrasive for cutting tools

2. Angular shape and fairly high bulk density will produce a matte surface finish

3. Abrasive is generally reusable many times because of its hardness and durability

4. Anchor pattern creation prior to coating or bonding

5.Rust, scale, or other tough contaminant removal

6. Application must tolerate some metal removal

7. Used for grinding and lapping as well as abrasive blasting







   Available sizes

 

JIS:#8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400 #500 #600 #800 #1000 #1200 #1500

 

FEPA:F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000


Frequently Asked Questions:                                                      

1. Payment: T/T, Western Union, 30% deposits; 70% balance before delivering, Or any other Payments if possible.

2. Delivery Time: 7-15 days

3. MOQ: 1 ton or as customer request.

4. Package Information: 

  Packing with Kraft paper bag with liner; 

  Packing with Bowie with liner; 

  Palletized when loading in container; 

  As customer request.

5. The nearest port: Tianjin and Qingdao port

6. The time for the cargo to the nearest port: 1-2 days.
 

Packing& Shipping