In a broad sense the surface finishing of metals and plastics have
overlapping terms applied to the processes of grinding, polishing,
buffing, lapping. The processes involve the use of abrasives brought
into contact with the work surface in a variety of ways, the object
being stock removal or refining of the work piece to an acceptable
finish. A condensed version of how the abrasive is used would include:
GRINDING -- Refers to the abrasive being solidly bonded into hard
grinding wheels.
POLISHING -- Refers to the abrasive being bonded to coated
abrasive belts, set-up polishing wheels, greaseless compound buff
heads or dry abrasive nylon mesh wheels.
BUFFING -- Refers to the abrasive being formulated with binders into
a cake, tube, paste, or liquid form. The term "buffing" means the
practice of producing a uniform finish by means of a revolving buffing
wheel "charged" with buffing compound in contact with the work
surface. Assuming that the work piece surface is smooth enough to
buff out imperfections or if needed, has been leveled through a
polishing wheel or belt operation, "buffing" can generally be divided
into two operations referred to as (1.) "cutting down" and (2.)
"coloring".
"CUTTING DOWN" is the preliminary step performed with a coarse
cutting abrasive buffing compound. In many cases this one "cutting
down" operation may be all thats necessary to secure a bright
enough, satisfactory appearance.
"COLORING" is light-duty buffing intended to bring up a luster on
work surfaces that do not require an initial "cutting down" operation.
"Coloring" compounds are formulated using finer mesh size
abrasives than those used in making "cutting" compounds.
"Coloring" compounds are also used when a secondary re-buffing
operation is desirable to enhance and brighten the appearance left
from a "cutting down" operation. Compounds that serve the dual purpose of
both cutting and coloring are referred to as "DOUBLE-DUTY" compounds.
LIQUID BUFFING COMPOUNDS -- The abrasives and binders used
in formulating liquid/paste buffing compounds are virtually the same
as those used in solid compounds. The difference being the
ingredients are carried in a water base, emulsified, fluid form
intended for spray or brush application.
COMPOUND SHELF LIFE -- Except for Satin-Glo® greaseless
polishing compound and Liquid Spraymax, the compounds contained in
this catalog can be stored indefinitely without deteriorating.
BUFFING WHEELS -- Buffing wheels serve two main functions: (1.) To
carry the abrasive particles across the work surface to perform a cutting
and/or coloring action. (2.) Where required, to generate sufficient
frictional heat to permit plastically flowing or burnishing the work
surface. It is to perform these two principal functions that buffing wheels
are produced in a range of designs, buffing fabrics and constructions.
The nature and shape of the work piece and the ultimate finish desired
dictate the styles best suited for that specific application.