Improved Corrosion Inhibitor to Protect Post-Tension Cables

Cortec® Corporation has released an improved version of its MCI®-309 powder-based Migrating Corrosion Inhibitor™ now formulated without silica, for the protection of ferrous and aluminium metals located in recessed areas, interior cavities, and structural voids, such as post tension cable strands during the various stages of construction.

According to the company, It is an extremely efficient dry method of protecting metals within an enclosed space by simply dosing the powder into the void. Upon application, it vaporises and forms a molecular layer of corrosion inhibitors on the metal surface. If this layer is ever compromised (for example, by moisture or by opening the enclosed space), it will be automatically be replenished by new vapour being continuously released from the powder carrier. The inhibitor protects both anodic and cathodic corrosion sites of the metal, and does not contain silica, silicates, phosphates, nitrites, or heavy metals.

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