The word 'rustproof' is correct and commonly used in written English.
It is used to describe something that is resistant to rust or corrosion. Example: This new car comes with rustproof paint, making it perfect for driving in coastal areas with high humidity levels.
He began working for DuPont as part of the team that developed rustproof paint before joining American Can in 1938 as a lab technician in Maywood, a Chicago suburb.
In the Times Magazine article "Do You Suffer From Decision Fatigue?" John Tierney explains how having to make series of decisions can take a toll: Decision fatigue helps explain why ordinarily sensible people get angry at colleagues and families, splurge on clothes, buy junk food at the supermarket and can't resist the dealer's offer to rustproof their new car.
And here's another trick of the eye: Falster looks like wood but is actually plastic with rustproof aluminium frames.
By 1952 he had arrived at a distinctive process that earned him kudos as a technical innovator, using a new, rustproof metal known as Monel for the constructed sheets, then brazing them with nickel silver or bronze to produce a uniform texture.
First spray on a coat of rustproof primer, then apply a coat of metal paint.
The pots are rustproof and need no seasoning.
He plans on keeping it in the water all winter, and he has outfitted it with survival gear, including gas masks, water, military rations in rustproof cans and plenty of cigars.
His mind would be remarkable for someone at any age -- a capacious, entirely rustproof steel trap.
Though the venture is not intended to make a profit, Mr. Cardon sells the rustproof, bulletproof and graffiti-resistant signs, which carry a 10-year warranty.
On the issue of cargo, the bed could be described as either problematic (in the sense that it simply doesn't have much room) or innovative (made of dentproof, rustproof composite plastic).
