Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer

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FEATURES Black aluminium oxide is also known as low aluminum corundum. (AI2O3) content is 70% ~ 80%, containing more silicon oxide and titanium oxide impurities, It is also a new type product of polishing material, and it is a dark gray crystal body made 伪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 g...


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Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer Detail:

FEATURES

Black aluminium oxide is also known as low aluminum corundum. (AI2O3) content is 70% ~ 80%, containing more silicon oxide and titanium oxide impurities, It is also a new type product of polishing material, and it is a dark gray crystal body made 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.

grit size :12-220;
Micropowder: 240-1200.

character
Aluminum oxide (AI2O3) content of 70% to 80%, containing more impurities such as silicon oxide and titanium oxide, a black corundum.Mainly used for stainless steel, metal products, optical glass, bamboo products, polishing and sand blasting, is manufacturing a resin grinding wheel, cutting discs, abrasive emery novel

TECHNICAL DATA

specification

chemical%

Al2O3

Fe2O3

SiO2

TiO2

A grade

85

6-9

5-8

2-4

B grade

<80

>9

>8

>4

 

Item

Indicators

Color

Black

Crystal

Trigonal system

Hardness (Mohs)

≥ 9.0

Melting point (°C)

2050

The maximum temperature (°C)

1850

True Density (g/cm3)

≥ 3. 50

Linear expansion coefficient (0-1600 °C)

7-9

 

APPLICATION

the free grinding. plating metal parts such as the front underside polished aluminum.
2. bicycles. motorcycles. sewing machines. watches and components.
Polishing
3. lighting. plastic and metal tools. etc.. are also applicable to blasting (blasting. glass spray).
4. processing materials. manufacturing resin-cutting. angle grinding and coated abrasives. etc..
5. black corundum grain of sand and powder is particularly suitable for polishing stainless steel parts and Whetstone. grinding paste manufacturing.
6. black corundum of sand is the preferred material for the next slip road and coal pits warehousing.


Product detail pictures:

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures

Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer detail pictures


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The incredibly abundant projects administration experiences and 1 to one provider model make the superior importance of small business communication and our easy understanding of your expectations for Wholesale 100% Original Black Aluminium Oxide for Portugal Manufacturer, The product will supply to all over the world, such as: Brasilia, luzern, Tajikistan, Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
  • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Elva from Saudi Arabia - 2018.12.11 14:13
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Adelaide from Germany - 2017.07.28 15:46

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