CorroLogic® Nano VpCI® Powder

Description: CorroLogic® Nano VpCI® Powder is a Vapor phase Corrosion Inhibitor powder of superfine particles, a few microns in size, designed particularly for soil-side corrosion protection of aboveground storage tanks (ASTs). When applied in enclosed void spaces, such as those below ASTs, CorroLogic® Nano VpCI® Powder diffuses and forms a self-healing protective layer on the metal surfaces. Due to its superfine particle size, CorroLogic® Nano VpCI® Powder works faster, travels farther, and has better coverage than standard VpCI®. In addition to protecting against soil-side corrosion in ASTs, it is also effective for applications in other hard-to-reach recessed areas, interior cavities, and voids.

Superfine particles have many unique properties. They disperse faster because diffusion coefficient is inversely proportional to particle size (Stokes Einstein Equation), and they travel longer distances due to greater buoyancy and smaller gravity. Laser Doppler Anemometry (LDA) showed that in turbulent flow, particle velocity of CorroLogic® Nano VpCI® Powder was twice that of regular sized VpCI®.

CorroLogic® Nano VpCI® Powder also has much larger specific surface area compared to larger particles of the same mass, enabling greater coverage as well as faster sublimation (transition from powder to vapor). These special physicochemical features empower CorroLogic® Nano VpCI® Powder with faster protection kinetics and enable a much faster buildup of a protective VpCI® environment in hard-to-reach recessed voids.

Application: Typical applications: • Soil-side protection of Aboveground Storage Tanks (ASTs) • Tubular structures, pipes, vessels with complex geometry, and hard-to-reach areas • Equipment protection after hydrostatic testing • Parts, components, and completed assemblies during shipping and storage

Storage and Packaging: CorroLogic® Nano VpCI® Powder is available in 40 lb. (18.1 kg) sealed, foil-lined drums. Store in a dry warehouse avoiding direct exposure to sunlight, with temperatures not exceeding 122°F (50°C). Under these conditions shelf life is up to 24 months.

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Corrologic® Nano Vpci® Powder

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