REPAR STEEL
Passivating two-component cement, anticorrosive, for reinforcing rods
Code: REP.0132
Components: 2
Appearance: Liquid + Powder
Two-component cement slurry, modified with flexibilising resins and specific anticorrosive agents for the passivating treatment of oxidised reinforcement rods, in the restoration of degraded concrete.
Customs Code
Linee di appartenenza
Certification obtained and Standards
EN 1504-7
Products and systems for the protection and repair of concrete structures. Reinforcement corrosion protection
EN 998-1
Specification for Mortar for Masonry - General purpose rendering/plastering mortar (GP)
General characteristics
Maximum diameter of aggregate: 0.25 mm
Shelf-life: 12 months
Pot-life: 45 min
Nonflammable
Temperature of use: +5 / +35 °C
Technical specifications
Capillary absorption
0.2 kg•h^0.5/m²
Resistance to the extraction of the steel bars with improved adhesion
> 90 %
Compressive strength after 28 days
50 MPa
Reaction to fire
B-s2 d0 _
Flexural strength at 01 day
5 MPa
Compressive strength after 01 day
20 MPa
Density
2.0 kg/dm³
Coefficient of permeability
16.8 μ
Corrosion resistance
< 0.5 mm
Flexural strength after 28 days
10 MPa
Adhesion to substrate
≥ 2.0 MPa
Available colours
- Light blu
Packaging and dimensions
- Bottle 1.6 kg [B]
- Kit: 1 Pail 3.4 kg [A] + 1 Bottle 1.6 kg [B]
- Pail 3.4 kg [A]
Characteristics
The anticorrosive efficacy of REPAR STEEL is determined by the high alkalinity and by the superpozzolanic reaction of the components of the anhydrous system, as well as by the presence, in the liquid component (B), of migratory and interfacial corrosion inhibitors, capable of carrying out cathodic and anodic protection, based on organic compounds capable of making ferrous ions unavailable for feeding electrochemical corrosion processes. The polymeric components of the solution also determine further increases in the anticorrosive efficacy, especially against aggressive attacks deriving from chlorides and sulphates, and increase the adhesion between the treated bar and the concrete (adherence test according to EN 15184 in compliance with the UNI EN technical standard 1504 "Products and systems for the protection and repair of concrete structures - Part 7: Corrosion protection of reinforcements").
Consumption
From 0.03 to 0.1 kg of REPAR STEEL for each linear metre of steel bar to be treated.
Use fields
Passivating protective anti-corrosive treatment for reinforcing rods in restoration works in reinforced concrete.
Preparation of supports
Carefully remove non-adhering rust, present on the metal surfaces of the exposed reinforcement rods by blasting or deep brushing , until the following condition is reached: "almost white metal" (metal colour as if it has just come out of extrusion).
Use method
The mixing of the two components may be implemented by an external mixer or by using a site bucket. Pour the blue solution (component B) into the bucket, while adding the powder gradually and during mixing (component A), mixing until the mixture is completely lump-free; apply by brush on the prepared reinforcing surfaces, for a consumption of about 100 g per metre of oxidized reinforcement to be passivated.
Application methods
- Brush
Tool cleaning
- Water
Permitted supports
- Rusty reinforcement rods
Warnings, precautions and Ecology
The overflow of the product on the concrete adjacent to the treated rids does not entail any problem.
Memoflash: use protocols
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Technical Data Sheet [ITA]
Technical Data Sheet [ESP]
Technical Data Sheet [POR]
Technical Data Sheet [DEU]
Technical Data Sheet [FRA]
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