Location : Products >>ABRASIVE MATERIALS >> Comparison table of abrasives symbols

 
Comparison table of abrasives symbols
 

Abrasives

China
(GB/T 2476-1994)

Japan
(JIS R6111-1987)

Norton
U.S.A.

Universal
Co.
England

GFR

USSR
гOCT2424-75)

ISO

Brown
aluminum oxide

A

A

A

A

NK

э
   16A-12A 

A

White
aluminum oxide

WA

WA

38A,WA

WA

EK

эB
   25A-22A

WA

Microcrystal
Aluminum oxide

MA

TA(Showa
Denko K. K.)

44A,SH

T

 

 

 

Pink
Aluminum oxide

PA

PA

PA, PW

 

FA

эX
   34A-32A

 

Single crystal
aluminum oxide

SA

HA

32A, DA

 

 

  M
   45A-43A

 

Zirconia
alumina

ZA

AZ, RG, RA

ZF, ZS

Z

 

 

 

Black
aluminum oxide

BA

 

 

 

 

 

 

Black
Silicon
carbide

C

C

37C

BC

BC

  Kч
   55C-52C

C

Green
Silicon carbide

GC

GC

39C

C

SCG

  Kэ
   64C-62C

GC

Cubic
silicon carbide

SC

 

 

 

 

 

 

Boron
carbide

BC

 

 

 

 

B4C

 


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