Buying Guide: Best Car Care Corrosion & Rust Inhibitors (2017 – 2018)

rusty car

Rust is the deteriorated state of iron as a result of oxidation; water and air combine to form this crust on your car body. Cars are made of iron and are likely to rust overtime due to the moisture absorbed from the road. Road salts also cause car rust and this rust can be reduced by using a corrosion inhibitor. This is a chemical substance that when added to a liquid reduces the corrosion rate of iron.

#1 Top Rated Car Corrosion & Rust Inhibitor (Editor Selection) — Click Here!

Corrosion inhibitors are additives to the moisture that surrounds the iron. One of the best ways to protect your car against rust is to have the body oiled annually with a rust proofing spray. The best time to have your car oiled is the springtime, this is when moisture levels undulate and cars are most prone to rusting.

Our Car Care Corrosion & Rust Inhibitors Ratings At-A-Glance

rust inhibitor ratings

Top 10 Car Care Corrosion & Rust Inhibitors Reviewed 2017 - 2018

Here you'll find our list of the best vehicle corrosion & rust prevention products for the money based on our team's ratings of the products. If you want to read reviews or get more product information, just scroll down the page or click on the links.
PRODUCTOUR RATING
Evapo-Rust ER012 The Original Super Safe Rust Remover
Evapo-Rust ER012 The Original Super Safe Rust Remover
(9.5 / 10)
POR-15 45004 Gloss black Rust Preventive Paint
POR-15 45004 Gloss black Rust Preventive Paint
(9.7 / 10)
CRC 06026 Heavy Duty Corrosion Inhibitor
CRC 06026 Heavy Duty Corrosion Inhibitor
(9.3 / 10)
Corroseal 82331 Water-Based Rust Converter
Corroseal 82331 Water-Based Rust Converter
(9.1 / 10)
Rust-Oleum Automotive 248659 8-Ounce Rust Reformer Bottle
Rust-Oleum Automotive 248659 8-Ounce Rust Reformer Bottle
(8.5 / 10)
Supco MO44 Rust Buster Liquid Penetrating Oil
Supco MO44 Rust Buster Liquid Penetrating Oil
(9.1 / 10)
Fluid Film Spray 11 3/4 OZ AEROSOL CAN
Fluid Film Spray 11 3/4 OZ AEROSOL CAN
(9.7 / 10)
Rust-Oleum 7830730 8-Ounce Rust Reformer
Rust-Oleum 7830730 8-Ounce Rust Reformer
(9.2 / 10)
PlastiKote 624 Rust Converter
PlastiKote 624 Rust Converter
(9.2 / 10)
Evapo-Rust RB015 Rust Inhibitor
Evapo-Rust RB015 Rust Inhibitor
(9.3 / 10)

Types Of Rust Inhibitors

  • Oil sprays: this has been a very effective rust proofing product. It will creep into door seams, weld spots, joints and folds where the rust is often known to start. It also protects your electrical parts, fuel line and brake against corrosion. These oil sprays are of two kinds namely; drip less oil spray and drip oil spray
  • Dripless oil spray: this is a very thick, wax-like oil spray applied to the entire body of the vehicle. The main gist of this spray is that it is drip less because the substance hardens upon drying and it is colorless. There is a minor issue though, because of the drip less viscosity, you have to make sure the substance gets applied everywhere, because it cannot get into all the nooks and corners in the same way drip oil sprays can.
  • Drip oil spray: this is mostly recommended by many car experts for rust prevention. It is easier to apply and it is watery enough to reach more parts of your car than the drip less oil spray. However, there is a slightly annoying feature of using this product, it leave stains behind in your driveway, garage etc. Application should be done annually.
  • Sealants are a rust inhibiting product that usually contain tar, wax or polymers. This method is known as “undercoating”. Sealants have been shown to provide a protective barrier for the car against moisture and road salt. It basically involves spraying a black, tar-like substance on the exposed parts of the body of your car, which in turn hardens and forms a protective barrier/shield against moisture, salt, and other elements that cause rust. However, it is not like oil sprays, sealants do not creep into a car’s joints and folds where rust begins. Sealants are bought from car dealers. For application to be effective, it must be done when the car is clean and dry. If application is not properly done, cracks may start develop in the protective coating over time and moisture will be trapped within and this will lead to rust.
  • Electromagnetic rust inhibitor: this is the newest form of rust proofing technology. It involves setting up a small device in your car, known as an electronic module, which then sends an electric current through the metal. The current being sent stops car from rusting Electromagnetic rust inhibitors are another anti-rust products commonly sold by car dealers. Although, they are expensive and not as effective as oil sprays or sealants. There have been reviews that installing an electromagnetic rust inhibitor system makes a noticeable difference in protecting your vehicle from rust and corrosion.

How Car Rust Inhibitors Work

Car rust inhibitors work differently depending on the type you use. But there are some common ways that inhibitors work:

  • Sealants work by forming a protective barrier on the iron’s surface. This barrier keeps corrosive matter from coming in contact with your car’s body.
  • Oil sprays inhibit either the reduction or the oxidation of the corrosion system, it also slows rust formation by absorbing the oxygen dissolved in the system.
  • Electromagnetic rust inhibitor works by emitting a high frequency, battery-driven electric current that travels on both sides of the iron shielding both the inside and outside surface of the iron. One great advantage of using this rust inhibitor is that it protects every area, not just the outer body that sealants and oil sprays can be used on.

What Is The Difference Between Spray Oil Rust Inhibitor, Sealant Rust Inhibitor And Electromagnetic Rust Inhibitor?

Oil spray rust inhibitor is mainly used on the outer body, it is a common type of rust inhibitor and has proven to be effective against rust. It needs to be applied yearly and it is quite affordable. While sealant rust inhibitor is similar to oil spray, it works differently because it forms a protective barrier against rust. It is also affordable. And finally, electromagnetic rust inhibitor, it is a one-time product that protects your entire car. Although it is expensive, it is not to be done yearly, once installed, it begins to work.

Why do you need a rust inhibitor?

You shouldn’t have to think twice about using a rust inhibitor. Cars overtime will definitely begin to rust because of moisture and road salt. And within a year or two, you would begin to see the effect of using the car and the car would start to show signs of wear and tear. Above are listed a few effective types of car rust inhibitors, be sure to get one today.

What to consider before buying a rust inhibitor

Before you think of buying a rust inhibitor, you should have in mind a few things. Below are a few things to do:

  • Know what you need: Rust inhibitors are of different types and come in different forms. You should know the type of inhibitor you can afford.
  • Do a research of your options: There are various rust proofing products available, be sure to take a look at all the available options instead of taking the first product you see. You would have the opportunity to know the product that works and is affordable for you.
  • Read through the customer reviews: There are websites with reviews of their products and these are a great source of customer information. Good reviews from customers would help in knowing the inhibitor to purchase for your car.
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