Sika FerroGard®-903+ - Active Corrosion Inhibitor
Verified by manufacturer 2 days ago
Independently verified, active corrosion-inhibiting impregnation liquid.
Application
- As an active corrosion inhibitor for uncoated reinforced concrete.
- For the corrosion protection of steel reinforced concrete structures above and below the ground.
- As a corrosion control treatment for undamaged reinforced concrete where reinforcing steel is corroding, or is at risk from corrosion, due to the effects of carbonated or chloride contaminated concrete.
- Sika® FerroGard®-903+ is especially suitable for extending the service life of aesthetically valuable fair-faced concrete surfaces such as historic structures.
- As part of Sika's Total Corrosion Management System.
- To extend design lives of concrete elements - particularly useful for precast concrete.
Sika® FerroGard®-903+ is part of the Sika® Concrete Repair and Protection Systems
Description
Sika® FerroGard®-903+ is a surface-applied mixed corrosion inhibitor, independently verified, designed for use as an impregnation of steel reinforced uncoated concrete, and is an improved formulation of the original Sika® FerroGard®-903.
Sika® FerroGard®-903+ is based on organic compounds. Sika® FerroGard®-903+ penetrates the concrete and forms a protective monomolecular layer on the surface of the reinforcing steel.
Protection with Sika® FerroGard®-903+ delays both the start of corrosion and reduces the corrosion rate. Corrosion protection with Sika® FerroGard®-903+ increases the service and maintenance life cycles by up to 20 years when used as a part of a complete Sika® Concrete Repair and Protection System.
Features and benefits:
- Does not change the appearance of the concrete structure.
- Does not alter the water vapour diffusion properties of concrete.
- Long term protection and durability.
- Can be applied to the surface of existing repairs and to surrounding areas to prevent the development of incipient anodes.
- Protects both cathodic (principle 9), and anodic (Principle 11) zones of reinforcing steel.
- Can be applied where other repair/ prevention options are not viable.
- Economic extension of the service life of reinforced concrete structures.
- Easy, economical application, renewable.
- Can be used as part of a simple, yet effective, concrete repair and protection system.
- Penetration depth can be tested on site using the Sika “Qualitative Analysis Test” - refer to Sika Technical Service Department for details.
Approvals/ standards:
- BRE: The use of surface applied FerroGard 903+ corrosion inhibitor to delay the onset of chloride induced corrosion in hardened concrete, BRE Client Report No. 224-346, 2005.
- Mott MacDonald: Evaluation of Sika FerroGard 901 and 903+ Corrosion Inhibitors, Ref. 26’063/001 Rev A, April 1996.
- SAMARIS (Sustainable and Advanced Materials for Road Infrastructure): Final Report, Deliverables D17a, D17b, D21 & D25a, Copenhagen, 2006.
- Mulheron, M., Nwaubani, S.O.: Corrosion Inhibitors for High Performance Reinforced Concrete Structures, University of Surrey, 1999.
- C-Probe Systems Ltd.: Performance of Corrosion Inhibitors in Practice, 2000.
General information
Color | Clear |
Material | Other Guidance for specification option: Aqueous solution of amino alcohols and salts of amino alcohols. |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | C42/315 Protective coating to reinforcement |
Specification data - Corrosion inhibitor chemicals
Classification data | |
Corrosion inhibitors | Aqueous solution of amino alcohols and salts of amino alcohols. |
Approvals | BRE: The use of surface applied FerroGard 903+ corrosion inhibitor to delay the onset of chloride induced corrosion in hardened concrete, BRE Client Report No. 224-346, 2005. Mott MacDonald: Evaluation of Sika FerroGard 901 and 903+ Corrosion Inhibitors, Ref. 26’063/001 Rev A, April 1996. SAMARIS (Sustainable and Advanced Materials for Road Infrastructure): Final Report, Deliverables D17a, D17b, D21 & D25a, Copenhagen, 2006. Mulheron, M., Nwaubani, S.O.: Corrosion Inhibitors for High Performance Reinforced Concrete Structures, University of Surrey, 1999. C-Probe Systems Ltd.: Performance of Corrosion Inhibitors in Practice, 2000. |
Colour | Transparent. |
Density | ~1.04 kg/L (at +20°C). |
Viscosity | ~24 mPa·s. |
pH value | ~10. |
Sustainability data
Material | Other Guidance for specification option: Aqueous solution of amino alcohols and salts of amino alcohols. |
Literature
Sika® FerroGard®-903+ Product Data Sheet
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