Process: Plexus PC- 120 Application Instructions
3) Not abrading corroded surfaces
• As good as PC-120 is, it can’t help bonding performance if applied to a surface that is already
corroded!
• Any surface that shows signs of corrosion should be cleaned by sanding or wire brushing to
remove any scale or corrosion.
• After removal of corrosion then treat the surface with PC-120 as you normally would.
4) Using PC-120 past it’s shelf life
• When stored under normal conditions PC-120 has a shelf life of 12 months in an unopened,
original container.
• PC-120 bottles are marked with a lot number that is a simple 8 digit code that gives you the date
of manufacture.
o “807241” for example is 2008, 07 month (July), 24th day (the “1” refers to the first
batch of PC-120 made that day). Use the lot number to make sure the material is still
within shelf life.
• Since it contains isopropyl alcohol, PC-120 should be tightly capped when not in use to stop
evaporation.
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