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Item #: RIV-Closed Loop Toad
Availability: Made to Order
Cortec Corporation

SKB Cases are Made in the USA!

ECORR Systems specializes in Cortec VpCI products, with over 3 decades of experience in corrosion and rust mitigation. Cortec products may also be manufactured to your specifications. Use our Request Information form to provide your application requirements.

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    Cortec VpCI® Closed Loop Toad® | 4 Water Soluble Bags

    Cortec Closed Loop Toad® is a unique combination of VpCI® powders in polyvinyl-alcohol (PVA) water-soluble bags. It was developed to provide corrosion protection in recirculation and operating cooling systems. This product prevents corrosion of metals in the liquid phase, vapor phase and the liquid-vapor interface. The bag dissolves and the VpCI's adsorb on all metal surfaces - reaching even recessed areas and interior cavities. The VpCI's form a strong protective molecular layer on the metal.

    Closed Loop Toad® also contains a blend of organic-based scale inhibitors to prevent scale.

    Cortec is a world leader in rust and corrosion removal and protection. Cortec VpCI® products offer cost-effective and environmentally friendly corrosion protection solutions that are bio-degradable, self replenishing and provide multi-metal protection.


    • Multi-metal corrosion protection
    • Effective for a broad range of applications
    • Water-soluble powder and bag
    • No free amines or nitrite
    • Direct contact with metal surfaces not required
    • Fully biodegradable, non-irritating PVA bags


    • Protects inaccessible and recessed surfaces
    • Protects offline equipment and pipes
    • Enables safe and easy hands-off application
    • Reduces chemical consumption and cost
    • Eliminates environmental hazards and disposal problems

    PACKAGING AND STORAGE: Closed Loop Toad® is packaged in four (4) 2.2 lb (1.0 kg) bags per box. Store in sealed container in a dry and cool warehouse. Do not store in conditions above 150F (66C).

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