Silicon carbide model standard?

Silicon carbide model standard?
silicon carbide has JIS standard, FEPA standard and P standard
The JIS standard models are as follows:F10F12F14F16F20F22F24F30F36F40F46F54F60F70F80F90F100F120F150F180F220F240F280F320F360F400F600F800F1000F1200F1500F2000F3000
FEPA standard models are as follows:JIS#10#12#14#16#20#22#24#30#36#40#46#54#60#70#80#90#100#120#150#180#220#240#280#320#360#400#600#800#1000#1200#1500

#2000#3000#4000#6000#8000#10000
The P standard is as follows:P16 P20P24P30P36P40P46P54P60P100