MasterProtect 8500CI

Silane-Based Liquid Corrosion Inhibitor for Mitigating Reinforcing Steel Corrosion in Concrete

How Does MasterProtect 8500CI Work?

MasterProtect 8500CI is a single-component, ready-to-use, low-viscosity, clear liquid that combines the power of a 100% reactive, dual-function silane-based penetrating corrosion inhibitor, with a latent-phase corrosion inhibitor, to mitigate electrochemical corrosion of reinforcing steel in new or aged concrete.

Recommended Uses:

MasterProtect 8500CI is particularly suited for the protection of:

• Steel-reinforced concrete, including cast-in-place, precast, pre-stressed, and post-tensioned

• Building facades and balconies, parking structures, pedestrian walks, bridge decks and supporting elements (beams, columns, etc.), concrete docks, and piers

• Marine and other high-humidity environments not subject to hydrostatic pressure

• Steel-reinforced concrete exposed to de-icing salts or saltwater/chloride environments

What Are the Unique Features of MasterProtect 8500CI?

Only MasterProtect 8500CI couples the primary reactive penetrant with a second, latent-phase corrosion inhibitor. This latent-phase inhibitor activates when the concrete cracks, migrating to the reinforcing steel to provide an extra level of protection when it is most needed.

What Are the Benefits of MasterProtect 8500CI?

• 100% reactive ingredients. No diluents or fillers, non-flammable, low odour

• Easy to apply and quick-drying for faster installation time

• Provides a water-repellent surface to prevent penetration of moisture and chlorides

• Reduces corrosion due to the ring (incipient) anode or “halo” effect

• Suitable for use in new construction and repair applications

• Effective in chloride-contaminated and carbonated concrete to significantly slow the rate of corrosion

• Latent-phase corrosion inhibitor activates if concrete cracks or if moisture penetrates the concrete, providing extended protection when it is most needed

• Vapour-permeable to prevent moisture entrapment

• Effective in high humidity environments to mitigate corrosion of reinforcing steel

• Surface treatment that penetrates the concrete to bond with steel and the concrete matrix, to inhibit macrocell (mat-to-mat) and microcell (along rebar) corrosion

• Normally does not require removal before subsequent coating applications, thereby reducing downstream labour costs compared with many other corrosion inhibitors. Based on substrate absorption rate, allow a minimum of 72 hours before overcoating and test adhesion as required