RustGuard™: Corrosion Protection for Steel-Reinforced Concrete

RustGuard™ is a calcium nitrite-based corrosion-inhibiting admixture designed specifically for steel-reinforced concrete. It protects rebar by forming a protective passivation layer in the concrete’s alkaline environment, preventing chloride-induced corrosion while accelerating set times for faster project timelines.

How RustGuard™Works

RustGuard™ delivers dual benefits in ready-mix concrete applications. It inhibits corrosion on embedded steel while speeding up early strength gain, making it ideal for harsh environments like bridges, parking structures, and marine projects.

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Key Benefits

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The primary strength of RustGuard™ is its calcium nitrite formula, which reacts in concrete to create a stable barrier against corrosive ions.

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Accelerates set time and early compressive strength without compromising long-term durability.

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Proven effective in chloride-rich conditions, extending the structure's life.​

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Easy dosage integration into standard batch plants.

Frequently Asked Questions

In concrete’s alkaline pH, RustGuard™ generates protective compounds that passivate steel surfaces, blocking rust initiation even with chloride exposure.

Yes, it pairs well with superplasticizers and accelerators; perform trial mixes to confirm performance.

No, it maintains workability and finish quality while enhancing early strength for faster form removal.

Want to Learn More About RustGuard™?
Contact us today to learn more about RustGuard™ and get customized dosing recommendations.

Contact Us

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RustGuard™ is available through select VCNA business units