As we head into the fall and winter months, no doubt the service phone will start ringing about chromate rub off on zinc plated parts due to ambient going from temperatures in the 80s and 90s to temperatures in the 60s (and in some plants saving on heating bills, chromates may be trying to work as low as temperatures in the 50s).  But as we see a rise in the trivalent chemistries and less of the "ambient" running hexavalent chromates, the simple fix of raising the temperature may not be the solution to the rub-off headache during these cold days of winter.  Here are a few other quick tips to … [Read more...]