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    Corroless ACO Mastic Standard Grade

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    £38.52
    Tax excluded
    £46.22 Tax incl.

    Corroless ACO Mastic Standard Grade is a solvent free, high build, two pack polyurethane mastic for steel, for the repair of pipe coatings and the coating of field joints.

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    Corroless ACO Mastic Standard Grade is a solvent free, high build, two pack polyurethane mastic for steel, for the repair of pipe coatings and the coating of field joints.

    Features

    • Use for the coating of field joints, repair of damaged coatings, filling of holes and cracks, on steel pipelines and other steel structures
    • For faster-cure repairs use Corroless ACO Mastic Rapid grade, and for higher temperatures and hot surfaces, use Corroless ACO Mastic TG grade

    Surface Preparation

    • All surfaces to be coated should be dry and cleaned as necessary to remove all oil, grease, salts, weld flux or other contamination. Where necessary, remove weld spatter and grind smooth all sharp edges and weld seams.
    • Steel: blast clean to minimum Sa2½ (ISO 8501-1:2007), surface profile depth 75-100µm.Mechanical tools may also be used providing a profile of minimum 75µm. Do not polish the steel surface
    • Overlap onto existing pipeline coating: remove any loose material to establish a firm edge. Feather sound coating and abrade surface to provide a key. Thoroughly abrade to remove gloss, surface contaminants etc. by suitable method (sweep blasting, abrasive disking etc.)
    • Concrete: remove all laitance and other contaminants by most appropriate methods. Ensure the concrete is dry to a reading of <16% on the Wood Moisture Equivalent (WME) scale. Prime with Corroless ACO LV Sealer

    Mixing

    Mix only in the proportions stated, mixing each component individually then together using a mechanical agitator. Activator must be added to base and thoroughly mixed to ensure an even mix throughout the container – at least 2 minutes mixing time is recommended. Care must be taken to avoid unmixed material being left on sides and bottom of can. Decanting mixed material into a plastic container and further mixing is recommended. Plastic container may be recovered for further use when coating has cured.

    Thinner

    Do not thin

    Cleaner

    Axalta Thinner Fast Industrial TH120 (formerly called No.4 Thinner)

    Application Conditions

    Do not apply when rain, mist, sleet or snow are imminent. Normal application requires relative humidity below 80%. To avoid risk of condensation, application should be performed only when the steel surface temperature is at least 3°C (5°F) above the dew point. Application at
    temperatures below 1°C (33°F) must be carefully monitored, since the possible presence of ice on the surface (or in pores, in the case of concrete) will result in poor performance.

    Application

    Designed for application by brush, roller, putty knife, trowel or spatula


    Product Notes

    • Activator contains isocyanates – refer to Safety Data Sheet
    • Overcoating - normally after 1 hour and within 24 hours of initial application. Abrading will be required if overcoating after 24 hours
    • In-service temperature limits: Wet – 0oC to 70oC depending on solution; Dry –minus 20oC to + 120oC continuous
    • In order to comply with WRAS certification, a minimum cure time of 14 days at 7oC is required before contact with drinking water
    • Corroless ACO Mastic Standard has excellent adhesion to abraded Fusion Bonded Epoxy (FBE), and suitably prepared 3LPE and 3LPP.

    Corroless
    COR-ACOMSC

    Data sheet

    Type
    Polyurethane
    Size
    1L
    Colour
    Grey
    Finish
    Sheen
    Coverage
    0.2 m2 /litre at 5mm DFT/WFT
    1.0 m2 /litre at 1mm DFT/WFT
    For Use On
    Multi-Surface
    Application Method
    brush, roller, putty knife, trowel or spatula
    Recoat Time (20°c)
    1hr

    Specific References

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    Corroless ACO Mastic Standard Grade

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    Corroless ACO Mastic Standard Grade

    £38.52
    Tax excluded
    £46.22 Tax incl.