Grain size
The grain size is expressed in counting
sequence. The table shows the grain size stipulated in the JIS*
|
Types of Grain Size
|
|
Coarse grains |
#8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 |
|
Abrasive powders |
#240 #280 #320 #360 #400 #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000
#4000 #6000 #8000 |
Remarks :
1. When referring
to the size, put "number" before the figure, for example "number 8."
2. Abrasive powders #4000, #6000 and #8000 are only applied to WA and GC.
Note: JIS*
stands for Japanese Industrial Standards