I am just starting my woodworking activities and am worried about humidity in my shop. Is using a desiccant to prevent rust/corrosion on router bits safe. I am concerned about the effect on the carbide edges.
to my knowledge, carbide does not rust.
as for desiccant packs, they have a very limited life span, depending on the environment they are in and must be replaced regularly - they do not last forever. You can not tell if they are good or bad just by looking at them.
IF humidity were a huge problem, I'd install a dehumidifier. I have one and it will remove a couple gallons of water from the house a day, though I'm in a relatively low humidity area.
Welcome. For rust protection, get Boeshield. It's what Boeing uses to prevent rust and corrosion in aircraft parts. Very easy to apply and lasts a very long time. Available at Amazon. I live in a low humidity area during summer, but sometimes moist in winter. One application has lasted years. Not expensive and it doesn't affect your finish either.
I live in Missouri and my shop is not air conditioned. I use Boshield T9 on all my iron surfaces and bits. It works very well in our high humidity weather.
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