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BASF MasterEmaco S 5300CI

Lightweight, mid strength, polymer modified, structural repair mortar with active corrosion inhibition

MasterEmaco S 5300CI is a single component, lightweight, polymer modified, high build structural repair mortar with active corrosion inhibition. MasterEmaco S 5300CI has been specifically formulated to produce a mortar with the compressive strength and modulus characteristics defined in class R3 of EN 1504 part 3.
  • Overview

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  • Description

    USES

    MasterEmaco S 5300CI is used for the structural repair of lower strength concrete elements such as balcony edges, soffits and decks, window ledges, lintels and beams or anywhere where concrete structures need to be repaired or re-profiled by hand.

    FEATURES

    • Shrinkage compensation and fibre reinforcement - minimise crack tendency creating a longer lasting repair
    • Medium strengths and lower modulus of elasticity - allows the repair of medium strength concrete without problems of differential movement
    • Highly thixotropic and lightweight - allows single high build layers
    • High build - applied up to 75 mm in vertical applications and 50 mm overhead
    • Outstanding workability - easy to create profiles and corners without formwork
    • Very low shrinkage - excellent crack resistance
    • Durable and weather resistant - Good water and chloride impermeability
    • Low chromate (Cr[VI] < 2 ppm ) - low risk of skin irritation
    • Chloride-free - does not add to chloride load of contaminated structures
    • Active corrosion inhibition – suitable for extreme environments.
  • Performance

  • Compliances and Accreditations

    Compliances

    • EN 1504 - Class R3
  • Systems & Installation

    Installation

    Surface preparation - Concrete must be fully cured with a minimum direct tensile strength of 1.0 MPa. All loose concrete or mortar, dust, grease, oil and curing compounds must be mechanically removed. Aggregate should be clearly visible on the surface of the concrete structure after preparation. Non-impact/vibrating cleaning methods, e.g. grit or high water pressure blasting are recommended to obtain a CSP 5 or greater profile. Cut the edges of the repair vertically to a minimum depth of 5 mm. Clean all exposed reinforcement to a minimum grade of Sa 2 according to ISO 8501-1 / ISO 12944-4. In case of chloride contamination of the concrete, when depth of cover is less than 5 mm or when the steel is left exposed before the repair work is completed, the reinforcement should be protected by using MasterEmaco P 5000AP.

    Mixing - Only full bags are mixed. Damaged or opened bags should not be used. Mix MasterEmaco S 5300CI with clean water only, in a forced action pan mixer, or with a helical paddle attached to a slow speed (300-600 rpm) mixer for 3 minutes until the required lump-free, plastic consistency is achieved. Mixing water needed: 3.8 to 4.2 litres per 20kg bag depending upon consistency required. Allow the mortar to rest for 2 - 3 minutes and then remix briefly, adjusting the consistency as required, without exceeding the maximum water demand.

    Priming Concrete - The prepared substrate should be pre-soaked, preferably for 24 hours, but at least 2 hours before applying MasterEmaco S 5300CI. The surface must be saturated surface dry, but without standing water. To obtain extra strong bonding, the damp substrate can be primed with a slurry brush coat of MasterEmaco S 5400CI (2 parts powder to 1 part water) or MasterEmaco P 157. Alternatively, MasterEmaco P 5000AP can also be applied as the bonding slurry.

    Mortar application - The minimum temperatures must be maintained during application and for at least 24 hours thereafter for optimum curing of the product. MasterEmaco S 5300CI can be hand, trowel or spray applied. Apply mixed product directly to the prepared damp substrate, or wet in wet onto the primed surface.

    A thin scrape coat or contact layer before building up to the required thickness, wet on wet, will improve the wet adhesion and cohesion of the mortar, especially in case of hand application. Apply to the desired layer thickness of 5 to max 75 mm and level using a screeding beam, trowel or wooden board. Can be applied in thicker layers in smaller patches or where additional reinforcement is present. Smoothing with a trowel or finishing by float or sponge can be done as soon as the mortar has begun to stiffen.

    Curing

    The following curing methods are advised - polyethylene film, damp cloths, Masterkure curing agent

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    BASF MasterEmaco S 5300CI

    Lightweight, mid strength, polymer modified, structural repair mortar with active corrosion inhibition

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