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Low Cost Black Aluminum Oxide Emery F24,F30,F36,F46,F80 for Resin Cutting Discs

Minimum Order Quantity : 1 MT Price : Negotiable
Packaging Details : Ton Bag, 25kg Bag+Ton Bag, 25kg Bag+Pallet Delivery Time : Within 3-7 days depending on the order quantity
Payment Terms : L/C, T/T, Western Union Supply Ability : 2000MTS per month
Place of Origin: Henan,China Brand Name: Yeda
Certification: ISO9001,ISO14001 Model Number: F12-F220

Detail Information

Product Name: Black Aluminum Oxide Usage: Sandblasting,Grinding,Lapping,Polishing
Crystal Structure: Trigonal Mohs Hardness: 8.0-9.0
Bulk Density: 1.68-1.22 G/cm3 Specification: F12-F220
High Light:

aluminum oxide abrasive media

,

recyclable aluminium oxide abrasive

Product Description

Low Cost Black Aluminum Oxide Emery F24,F30,F36,F46,F80 for Resin Cutting Discs

1. Product Description of Black Aluminium Oxide 

Black Aluminum Oxide is a black crystal with Al2O3 and iron spinel as the main ore phase,

it selected the high alumina bauxite, high iron bauxite or iron oxide scrap as the main materials,

then melted in an electric arc furnace under high temperature .

 

2. Main Technical Index of Black Aluminium Oxide 

 

Main Physical Index
Color Black
Crystral Structure Trigonal
Mohs Hardness 8.0-9.0
Vicker Hardness 2000-2200kg/mm2
Specific Gravity ≥3.5g/cm3
Bulk Density 1.68-1.22 g/cm3
Chemical Index Al2O3≥60% Fe2O3 6-12%
SiO2≤25% TiO2 2-4%
Grit Size F12-F240#,F260-F400#
#325-0,#500-0 ,#1000-0

3. Main Products Features:

High Effciency

Strong cutting force and good self-sharpening which are able to improve the cutting or polishing efficiency.

 

Smooth finish with little surface discoloration

Moderate hardness,little heat generated in surface,not easy to burn the treatment surface when polishing

or cutting process,achieving smooth finish with little surface discoloration.

 

Better price /performance ratio

Cost is much lower than other abrasives(aggregate) with equivalent performance.

 

Environmental friendly

Waste comprehensive utilization, melting crystallization, noharmful gases generated in the whole production,

so it is one environmental friendly abrasive.

 

4. Main Application of Black Aluminium Oxide

Black Aluminum Oxide is widely used for making resin cutting discs mixed with brown aluminum  oxide,

the popular grain size is F24,F30,F36,F46,F60,F80 etc.

It is suggested to use 25% black aluminum oxide to partly replace brown fused alumina with the same grit size

or one more coarse grit size than the original one, it will achieved better grinding effect if adding 5% black alumina

F70&F80 to make the resin cutting discs more smooth.

 

In addition,Black Aluminum Oxide P40,P60,P80 is  widely used for making coated abrasives (jumbo rolls,sand belts

etc.)together with the brown one.

 

It also has the other application  in blasting,polishing for  stainless steel tableware,anti-skip wear-resistant materials,

polishing wax, refractories etc.

 

5. Product Package:                                                                           

Low Cost Black Aluminum Oxide Emery F24,F30,F36,F46,F80 for Resin Cutting Discs 0

6. Why Choose Us?

20 years professional black aluminum oxide manufacturer;

Most advanced production line and testing equipment;

Stable quality and favorable price;

More than 20 invention & utility model patents;

Certificated by ISO9001&14001;

Main Suppliers of Saint-gobain group,Fosroc group etc.

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