Boeshield T-9 Rust & Corrosion Protection

Curated from 91 real Reddit conversations

Refreshed on: January 12, 2025

Boeshield T-9 Rust & Corrosion Protection

Brand: Boeshield
Price: $21
Snoop Score:
8.3
Sentiment
8.5
Popularity
8.6
Technical
8.1

Snoop's Take

BOESHIELD T-9 is a premium rust and corrosion protection product designed to provide waterproof lubrication and long-lasting protection for various metal surfaces. It effectively displaces moisture, penetrates moving parts, and dries to a thin, waxy film that clings to metal for months, making it suitable for marine, automotive, and aviation applications. Consumer feedback highlights its effectiveness as a rust inhibitor, particularly in exposed environments, with users noting that "this is one of the best performing rust inhibitors you can buy" and its longevity, as some reported it remained effective for years. While some users mention competing products might perform better, many recommend BOESHIELD T-9 for its versatility and safety on different materials, making it a strong contender in its category for rust protection.

Not for you? Check out our other rated Corrosion & Rust Inhibitors

This is one of the best performing rust inhibitors you can buy, and far exceeds the likes of Boeshield and CRC since this works outside in exposed environments.

Positive Feedback

My experience has been fluid film is the best rust inhibitor, but it stinks.

Negative Feedback
Product
8.3
Boeshield T-9 Rust & Corrosion Protection
Preventative Maintenance
8 / 10
Marine Applications
8 / 10
Automotive Protection
8 / 10
Industrial Use
8 / 10
See how this compares to all Corrosion & Rust Inhibitors

What it does well!

Key strengths users can’t stop talking about.
Effective rust inhibitor in exposed environments
This is one of the best performing rust inhibitors you can buy, and far exceeds the likes of Boeshield and CRC since this works outside in exposed environments.
Effective for long-term rust protection
It was still fine years later.
Safe for various materials including paint
It is safe for anything with paint or unpainted metals.
Effective rust inhibitor for bicycles
what's your favorite rust inhibitor to coat the inside of your frame?
Fluid Film or BoeShield T9 would also work
I like boeshield
Effective for cleaning chrome
Really nice for cleaning chrome up too!
Good product for rust protection
It's good stuff.
Recommended for rust prevention
Try this: BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication.
T9 Boeshield works well in high humidity environments
T9 Boeshield works amazingly well on my cast iron table saw that's in a garage in Maryland where summer humidity is stupid.
Effective for cast iron tools
It's also cheap, and easy to apply, so it can't hurt.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Fluid film product has a strong odor
My experience has been fluid film is the best rust inhibitor, but it stinks.
Other products may perform better
Fine Woodworking did a comparison test some years ago, and found CRC 3-36 performed better.
Kano's Weatherpruf is one you should review as its a commercial product.
Strong odor from the product
Even Frame Saver smells awful. So, this fluid film smells even worse?

Compare On All Talked About Dimensions

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CRC SP-400 Corrosion InhibitorCRC SP-400 Corrosion Inhibitor$19
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Boeshield T-9 Rust & Corrosion ProtectionBoeshield T-9 Rust & Corrosion Protection$21
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STA-BIL Rust Stopper Anti-Corrosion SpraySTA-BIL Rust Stopper Anti-Corrosion Spray$12
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Boeshield BOESHIELD T-9 Rust & Corrosion Protection/InhibitorBoeshield BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor$7
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RustKote - Rust Fighter AerosolRustKote - Rust Fighter Aerosol$14
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CRC Heavy Duty Marine Corrosion Inhibitor, 10 oz.CRC Heavy Duty Marine Corrosion Inhibitor, 10 oz.$17
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WD-40 Specialist Corrosion Inhibitor SprayWD-40 Specialist Corrosion Inhibitor Spray$15
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Fluid Film Powerful Rust & Corrosion Protection SprayFluid Film Powerful Rust & Corrosion Protection Spray$23
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KROIL Kroil Original Penetrating Oil 10oz CanKROIL Kroil Original Penetrating Oil 10oz Can$20
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KROIL Original Penetrating Oil 13oz Can Case of 6KROIL Original Penetrating Oil 13oz Can Case of 6$151
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Wuiil Fluid Film Lubricant/Corrosion Inhibitor, 11.75 oz.Wuiil Fluid Film Lubricant/Corrosion Inhibitor, 11.75 oz.$9
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Strikehold Marine - 12oz Spray LubricantStrikehold Marine - 12oz Spray Lubricant$19
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Webetop Rust Prevention Spray, 15.2 OZWebetop Rust Prevention Spray, 15.2 OZ$19
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Eazy2hD Rust Converter for Metal, 1 QuartEazy2hD Rust Converter for Metal, 1 Quart$24
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Core Power Plays

The specs and strengths that make it shine.
Preference for rust preventative made for injection molds
I like using rust preventative made for injection molds.
Just curious how everyone deals with rust.
Developed for Boeing as a corrosion preventative
Boeshield T-9 Spray Wax This was developed for the Boeing corporation to as a corrosion preventative.

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Preference for alternatives like boiled linseed oil
Go old school. Boiled linseed oil. No aerosols or toxic waste.
Humidity control suggestions for rust prevention
Humidity below ~50-55% and a rust preventative over exposed metal.

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion on preferences for rust preventative products
It's 50F and raining here in Northern Wisconsin right now, and the humidity is so high it's nearly raining in my unheated shop.
I absolutely love this stuff, it has a nice smell too.
Especially for electronics which might get humid/wet. Spray down and just send it.
There’s no magic to it.
Discussion on various rust inhibitors
I’ve always wondered, is rust inhibitor worth it?
Muc-Off is the only one currently in stock on Q
Comparison to other rust preventative products
T9 is the best for bike chains.
Discussion on alternative rust inhibitors
Could always just use boiled linseed oil.
I've used it on all my bikes and has worked great.
Discussion on care for aluminum and stainless tools
You're aware that aluminum and stainless don't rust?
A $2 quart goes a long way.

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Curiosity about product effectiveness
I don't have a rust problem on our two brommies; but have found this that I think I might be applying.
Discussion on alternative rust prevention products
It’s amazing stuff.
Personal experiences with rust on bicycles
Brommies are hardy beasts. Use and enjoy them!

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