TYPES & APPLICATION SELECTION

TYPE  Backing  Abrasives  Grit size
Density of coating grain
Abrasive  cloth G/G cloth GFK11 F A 40-320 CL
GJK11 J A 30-120 CL
R/G cloth GFK21 F A 40-240 CL
GFK41 F A 60-400 CL
GJK41 J A 60-220 CL
GJC41 J C 60-220 CL
GXK41 X A 24-120 CL
GXW41 X WA 36-120 CL
R/R cloth GJK51 J A 60-400 CL
GJC51 J C 60-400 CL
GXK51 X A 24-240 CL
GXK52 X A 36-60 CL
GXW51 X WA 40-320 CL
GXC51 X C 36-180 CL
Waterproof paper GXW61 X WA 40-400 CL
GXC61 X C 40-400 CL
Abrasive paper Resinbond paper PEK41 E A 60-240 CL
PEW40 E WA 60-220 CL
PEW41 E WA 60-400 CL
PEC41 E C 36-120 CL
Waterproof paper PBC71 B C 220-1000 CL
PCC71 C C 60-1000 CL
PCC73 C C 120-400 CL
Fibre backing coated abrasives FAK51 A A 24-120 CL
FAK52 A A 16-80 CL
combination backing coated abrasives KNC41 C 40-120 CL
KNC40 C 40-180

OP

 

TYPE Applications Shapes
Metal WOOD Plastic painted articles Rubber leather Glass ceramics Roll Sheet Narrow belt Wide belt  Fibre discs Discs
Abrasive  cloth G/G cloth GFK11
GJK11
R/G cloth GFK21
GFK41
GJK41
GJC41
GXK41
GXW41
R/R cloth GJK51
GJC51
GXK51
GXK52
GXW51
GXC51
Waterproof paper GXW61
GXC61
Abrasive paper Resinbond paper PEK41
PEW40
PEW41
PEC41
Waterproof paper PBC71
PCC71
PCC73
Fibre backing coated abrasives FAK51
FAK52
combination backing coated abrasives KNC41
KNC40

 

SHAPE & SYMBOL
Item Sheet Roll Belt Fibre Discs Discs
Symbol Y J D PZG P

 

CLASSIFICATION & SYMBOL
Item Dry Sanding Cloth Dry Sanding Paper Waterproof Sanding Paper Waterproof Sanding Cloth
Symbol BG ZG ZN BM

 

SYMBOL OF BONDS
Item Glue Over Glue Resin Over Glue Resin Over Resin Waterproof
Symbol G/G R/G R/R WP

 

SYMBOL OF ABRASIVES
Item Brown Aluminum Oxide White Aluminum Oxide Black Silicon Carbide Green Silicon Carbide
Symbol A(GZ) WA(GB) C(TH) GC(TL)

 

COMPARISON CHART OF GRIT SIZES
Grit Sizes Standard of Coated Abrasives China National  Standard For Abrasive Grit Sizes Symbols For Grit Sizes of Dry Sanding Cloth Symbols For Grit Sizes of Waterproof Sanding Paper
JB3630-84 GB2477-83 Extra Rough Sanding
P16 16
P20 20
22
P24 24 4
P30 30 Rough Sanding
P36 36 3 1/2
P40 40 3
46 2 1/2
P50 54 Medium Sanding
P60 60 2   
P70 70 80
P80 80 1 1/2 100,120
P100 90
P120 100 1 150
120 0 180,220
P150 150 2/0 240,260 Fine Sanding
P180 180 3/0 280,330
P220 220 320
P240 240
W63 4/0 360
(P280) 400 Precision Sanding
(P320) W50 5/0 500
(P360) 600
(P400) W40 700
(P500)
(P600) W28 800
(P800)
(P1000) W20
(P1200)