Which type of polishing wheel is used for colouring and buffing of steel ?

Bleached filled Calico

Bleached unfilled linen

Swan down (Special cotton)

Felt of various grades

Mainly ferrous

Mainly non-ferrous

Aluminium

Zinc

Grey finish

Silvery finish

White finish

Purple finish

Chemical finishing

Electroplating

'Oxidised' finishing

Phosphate finishing

Mostly ferrous

Aluminium

All most All metals

Mostly non-ferrous metals