19 Feb
2002
19 Feb
'02
4:49 p.m.
On Wed, 20 Feb 2002, Chad Fernandez wrote:
I work for a manufacturer of truck drive shafts. The
steel tubes are
sprayed with oil at the supplier, so they won't rust. We went to a new
system where each tube is labeled much earlier in the drive shaft
assembly line. This mean that each tube has more oil on the tube when
the label is applied, since fewer gloved hands have touched it. 3M told
us that they would come up with a label that would stick to grease for
us.... I laughed when I heard that, but the labels do seem to stick ok.
Although, we do wipe the tubes with a dry rag first. I'm not sure if
the label materials are any different than before, as they don't really
look different.
When I was working for IBM, we had labels that would stay stuck and not
dissolve in boiling perchloric acid. Now that perchloric acid has been
phased out, the same labels survive boiling tetramethylammonium hydroxide.
Peace... Sridhar