| Classification |
Micron |
Code No. |
Colour
Code |
Guide for recommended use |
| For
operations requiring precise finishes and tolerances |
SUPERFINE
POLISH |
D-1 |
Grey |
Very
high finish of steel and hard metals. |
| D-1 |
Violet |
For
finish Tungsten Carbide dies, mirror polish on steel
and hard steel moulds and gauges etc. |
| Final
finishing grades for moulds, dies, seals, flat
lapping and production lapping |
FINE
POLISH
MEDIUM
POLISH |
D-3/D-4 |
Green |
Mirror
polish and high finish on tungsten carbide, finest
polish on sapphire, ruby, steel etc. |
| D-5/D-6/D-7 |
Yellow |
Medium
polish on steel, Tungsten Carbide and Diamonds. |
| D-10/D-14 |
Orange |
Removal
of working scratches on steel and pre-polishing of
steel and soft metals. Medium polish on Tungsten
Carbide, pre-polishing on sapphire and ruby. |
| Grade
for pre-finishing hard metallic and non metallic
materials tungsten carbide, ceramics etc. |
MEDIUM
CUTTING |
D-15/D- |
Pink |
Rapid
stock removal with better finish on steel and
Tungsten Carbide. |
| D-30,
D-40 |
Brown |
Uniform
stock removal on steel, Generation of uniform
surface and medium cutting on Tungsten Carbide. |
| Maximum
stock removal for hogging and rigging operations in
extremely hard materials |
ROUGH
CUTTING |
D-50,
D-60 |
Red |
Fast
stock removal on Tungsten Carbide and any hard metal
& enlarging the bore of Drawing Dies. |
| D-80,
D-100 |
Black |
For
speedy cutting on Tungsten Carbide & Steel and
any metal. |