Immersion
or
spray
washing
process
to
provide
aluminum
with
a
golden
iridescent
chemical
film
or
coating
the
surface
with
the
conversion
type,
in
order
to
protect
the
aluminum
against
corrosion
&
the
improvement
of
the
paint
adhesion.
Alumin Gold meets the requirement of MIL-C-5541 B and
MIL-C-81706.