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Steel Reinforcement Primers
Steel Reinforcement Primers are designed for the protection of embedded steel reinforcement that is exposed during concrete repair and protection works. The concrete damage may have occurred due to the expansive corrosion (rusting) of the steel itself, or for other reasons.

Any exposed steel reinforcement must be thoroughly cleaned and derusted and then the selected steel reinforcement primer is applied before the application of a repair mortar to provide additional protection to the embedded steel in future.

Several steel reinforcement primer products can have a dual function and also act as a 'bonding-bridge' layer to ensure optimum adhesion of the subsequent repair mortar. Please refer to the specific Product Data Sheets for more details on this and other aspects of these products.

Sika MonoTop 610

Sika MonoTop-610 is a one component, polymer modified cement based, steel reinfircement primer and a bonding bridge primer for MonoTop concrete repair mortars. Sika MonoTop-610 also contains added corrosion inhibitors and is designed to be used to provide additional corrosion protection to steel reinforcement and to bond Sika MonoTop concrete repair mortars to existing concrete structures. It is particulalry useful in areas of low concrete cover and in the presence of chlorides.

Sika MonoTop-610 is supplied as a pre-batched powder that only requires mixing with water. The mixed consistency can be adjusted to suit the type and method of application, which can be by brush or spray. Sika MonoTop-610 is approved as being suitable for drinking water contact as part of the Sika MonoTop concrete repair and protection system.

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SikaTop-Armatec-110-EpoCem is a unique product which is an epoxy resin modified, cement based, 3-component material that also includes corrosion inhibitors. It is designed to be used as both an exposed steel reinforcement primer and as a bonding bridge primer for subsequently applied cement based repair mortars.

SikaTop-Armatec-110-EpoCem meets the requirements of European Standard EN 1504-7 and is tested and approved for the control of anodic areas in acordance with EN 1504-9, Principle 11, Method 11.1

SikaTop-Armatec-110-EpoCem provides additional corrosion protection for the steel reinforcement and increases the bond of repair mortars through increased wetting and contact on the bondline at the interface. SikaTop-Armatec-110-EpoCem also has a long pot life, is easy to mix and can be brush or spray applied. It is specifically tested and approved for application under dynamic load conditions,.

As a result the product has greatly extended open times when compared with cement-only based bonding bridge primers, and unlike pure epoxy resin bonding bridge primers, it is vapour permeable and behaves as an integral part of the concrete structure. Additionally SikaTop-Armatec-110-EpoCem has high resistance to water and chloride penetration and a high shear strength.

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