10 Best Rust Inhibitors 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 117 products, scanning 3905 reviews, spending more than 36 hours of research and speaking with our test users, we think the WD-40 Specialist Long-Term Corrosion Inhibitor is the one of the Best Rust Inhibitor on the market.

WD-40 Specialist Long-Term Corrosion Inhibitor – Best Overall Rust Inhibitor

WD-40 Specialist Long-Term Corrosion Inhibitor
  • The formulation in this corrosion inhibitor helps coat metal parts to lubricate and protect against rust and corrosion
  • Blocks rust and corrosion for up to 2 years when used indoors and for up to 1 year when used outdoors. The formula clings to metal and protects it from air and moisture
  • Recommended for preventative maintenance or for protection in corrosive environments, such as hot and highly humid or cold, and wintery atmospheres
  • Included straw creates a precision stream of lubricant for controlled application and fastens to the notched cap for secure storage
  • Non-drying lubricant does not run and says where you spray it. 50-state VOC compliant and NSF Category A7

Rust-Oleum Automotive 248658 10.25-Ounce Rust Reformer Spray – Best Budget Rust Inhibitor

Rust-Oleum Automotive 248658 10.25-Ounce Rust Reformer Spray
  • Use on any rusty, metal surface to Instantly convert rust to a flat black, paintable surface that is protected and prevents future rust
  • Oil based formula creates a bond with rusted surface that can be easily painted
  • Dries tack free in 20-40 minutes, allow 24 hours before applying topcoat
  • Unique formula transforms rusted surfaces saving time and effort sanding rust all the way down to bare metal
  • Any-angle spray technology allows the can to be sprayed in any direction, even upside down

STA-BIL (22003) Heavy Duty Rust and Corrosion Inhibitor Aerosol Spray

STA-BIL (22003) Heavy Duty Rust and Corrosion Inhibitor Aerosol Spray
  • Prevent rust and corrosion
  • Multiple uses and applications
  • Lubricate and penetrates
  • Long lasting and water resistant
  • Easy to apply aerosol

Rust Converter ULTRA

Rust Converter ULTRA
  • CONVERT RUST: Convert rust to an inert coating that seals out moisture to prevent further corrosion
  • SAFE TIME & MONEY: Eliminates the need for sandblasting, grinding or scraping
  • EFFICIENT: 1 Gallon Covers 500 square of smooth, nonporous surface - That's an entire Dumpster!
  • ULTIMATE PROTECTION: Convert toughest rust and corrosion caused by all types of weather conditions
  • MULTI-USE: Use for automobiles, machinery, railings, structures, tools, marine applications and more! 30 DAY HASSLE FREE MONEY BACK GUARANTEE - We value our customers and we stand behind ALL of our products 100% with no questions asked! If you are not pleased simply call or email us with your order number and we will reimburse you in FULL!

VHT SP229 Rust Convertor Can

VHT SP229 Rust Convertor Can
  • Rust convertor is a unique product designed to spray directly on rusted areas
  • Sprays on clear and turns to a black metal
  • Prevent future rust from forming
  • Rust convertor sands to a smooth, even finish
  • This item is not for sale in Catalina Island

POR-15 45404 Rust Preventive Coating Semi-Gloss Black

POR-15 45404 Rust Preventive Coating Semi-Gloss Black
  • Seals Rust Permanently
  • No Need to Remove Rust Before Applying
  • Lead-Free
  • For Metal Substrates
  • Professional Use

Rust-Oleum 224284 Stops Rust Inhibitor 10.25-Ounce Spray

Rust-Oleum 224284 Stops Rust Inhibitor 10.25-Ounce Spray
  • Item Weight: 1.17 lb
  • Country of Origin: United States
  • Color: Clear
  • Brand name: Rust-Oleum

CRC 06026 Heavy Duty Corrosion Inhibitor

CRC 06026 Heavy Duty Corrosion Inhibitor
  • Protects and preserves metal surfaces, electrical connections, engine components and fasteners, subject to salt spray and high humidity
  • Provides effective protection for steering and throttle linkages
  • Applications: electrical connections, engine components, equipment storage, fasteners, motors, salt spray protection, shaft, spindles, steering, and throttle linkages
  • Size: 10 oz.

Corroseal Water-Based Rust Converter Metal Primer – Premium Pick

Corroseal Water-Based Rust Converter Metal Primer
  • Paint, prime and convert rust in one step - water based rust converter with latex metal primer
  • Restore metal surfaces, extend life of metal equipment by protecting it from rust and corrosion
  • Non-flammable and non-corrosive, water-based formula cleans up with just soap and water
  • Easy to apply - brush, roll or spray; apply at 8-10 mils wet for 200-250 sq ft per gallon coverage
  • Use for all marine, automotive, general household and industrial applications
  • Corroseal should not be applied over freshly blasted steel, or new galvanized surfaces

Zerust VC2-2 NoRust Vapor Capsule

Zerust VC2-2 NoRust Vapor Capsule
  • Use Zerust No Rust Vapor Capsules for Gun Rust Protection During Storage
  • Zerust No Rust Vapor Capsules Protects Metals Against Corrosion
  • Zerust No Rust Vapor Capsules Protects Metals Against Rust
  • Place Zerust vapor capsules inside tool boxes, utility drawers, tackle boxes, knife drawers
  • One VC2-2 capsule protects a radius of 2 feet for Two years.

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