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Corroless ACO Twin Pack Repair Kit

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£13.98 Tax incl.

Corroless ACO Twin Pack is a solvent free, two pack polyurethane mastic repair kit for the repair of small defects in pipeline coatings.

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Corroless ACO Twin Pack is a solvent free, two pack polyurethane mastic repair kit for the repair of small defects in pipeline coatings.

Features & Use

  • Packaged in a polythene bag, divided by a plastic clip, and sealed in an aluminium foil pack
  • For small area repairs to most types of pipe coatings, including FBE, 3LPE, 3LPP and polyurethanes
  • Outstanding mechanical properties and rapid cure characteristics together with excellent adhesion to most pipe coating materials.

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 Corroless ACO 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


Remove outer foil wrapper. Remove plastic clip. Mix the contents of the pack by thoroughly working the components in the plastic bag together for at least 2 minutes. Remove corner of bag and dispense. See Corroless ACO Twin Pack Mixing Instructions


Do not thin 


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.


Use plastic divider or spatula to apply

Product Notes

  • Activator contains isocyanates – refer to Safety Data Sheet
  • In-service temperature limits: Wet – 0 oC 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 7 oC is required before contact with drinking water
  • Overcoating - abrading will be required if overcoating after 24 hours
  • Corroless ACO Twin Pack has excellent adhesion to abraded Fusion Bonded Epoxy (FBE), and suitably prepared 3LPE and 3LPP.


Data sheet

0.007 m2 /pack at 5mm DFT/WFT
0.07 m2 /pack at 0.5mm DFT/WFT
For Use On
pipeline coatings.
Application Method
Use plastic divider or spatula to apply
Recoat Time (20°c)
15 mins

Specific References

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Corroless ACO Twin Pack Repair Kit

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Corroless ACO Twin Pack Repair Kit

Tax excluded
£13.98 Tax incl.