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Pink aluminum oxide

Pink aluminum oxide(PA)
Pink aluminum oxide (PA) is used to grind measuring and cutting tools, instruments,
etc., which
demand low roughness on the surface.

Chemical Composition

Grit

Chemical composition (%, by weight)

Al2O3

Cr2O3

F12 ~ F90

 ≥ 98.50

0.15 ~ 0.40
0.80
~ 1.50

F100 ~ F220

 ≥ 98.00

Note: special requirement on Cr2O3 content can be satisfied 
through discussion
.
 
 

Single crystal aluminum oxide

Single crystal aluminum oxide(SA)
It is used to grind stainless steel, high-speed steel and heat sensitive
steel.

Chemical Composition (JB/T 7996-1995)

Grit

Al2O3 (%, by weight)

F24 ~ F90

 ≥ 98.50

F100 ~ F220

 ≥ 98.00

Note: Special requirement on chemical composition can be satisfied through discussion.

 
 

Microcrystal aluminum oxide

Microcrystal aluminum oxide (MA) is used to grind stainless steel, bearing steel, nodular cast iron, etc.

Chemical Composition (JB/T 7987-1995)

Grit

Chemical composition (%, by weight)

AL2O3

TiO2

F4 ~ F90

94.00 ~ 96.50

2.20 ~ 3.80

F100 ~ F220

93.00 ~ 96.00

Note: Special requirement on chemical composition can be satisfied
 through discussion.

 
 

Zirconia aluminum oxide

Zirconia aluminum oxide(ZA)
Especially suitable for snagging billets of stainless steel, carbon steel, alloy steel,
etc.

Chemical Composition(JB/T 1189-1992)

Item

AL2O3

ZrO2

TiO2

Content (%, by weight)

> 68.0

20.0 ~ 30.0

< 3.0

Note: Special requirement on chemical composition can be satisfied through discussion.

 
 

Black aluminum oxide

Black aluminum oxide(BA)
With high toughness, black aluminum oxide is extremely suitable for polishing stainless steel and non-ferrous metals, It’s grinding efficiency is much higher
than that of brown A/O and the finishing
effect is much better than many of other abrasive materials.

Chemical Composition

Grit

Content (%, by weight)

AL2O3

Fe2O3

F220 & Coarser

62 ~ 85

 ≥ 5

F240 & Finer

60 ~ 82

Note: Special requirement on chemical composition can be satisfied through discussion.

 

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