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Axalta Corroless ACO Mastic Standard Grade is suitable for the 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 Acothane Mastic Rapid Grade, and for higher temperatures and hot surfaces, use Corroless ACO Mastic TG grade.
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.
IMPORTANT NOTICE: From 24th August 2023, adequate training is required before industrial or professional use of this product. Training can be accessed at: https://www.safeusediisocyanates.eu
Components: | Two Pack |
Type: | Solvent Free |
Finish: | Sheen |
Stock Colours: | Grey |
Tintable: | No |
VOC Content: | 0 g/litre |
Volume Solids: | 100% |
Suitable Substrates: | Steel |
Application Method: | Brush |
Theoretical Coverage: | 1.0 m2/litre with DFT & WFT of 1mm / 0.2 m2/litre with DFT & WFT of 5mm |
Wet Film Thickness (WFT): | 1mm / 5mm |
Dry Film Thickness (DFT): | 1mm / 5mm |
Induction Time: | - |
Pot Life: | Approx. 12 min at 25°C, 8 min at 30°C |
Dust Free: | 1 hours at 20°C (applied to 1mm DFT) |
Hard Dry: | 4 hours at 20°C (applied to 1mm DFT) |
Overcoatable: | After 1 hour at 20°C (applied to 1mm DFT) |
Fully Cured: | 7 days at 20°C (applied to 1mm DFT) |
Cleaner / Thinner: | Clean with Axalta Thinner No. 4 / Do not thin |
Shelf Life: | Minimum 24 months if stored as above in unopened containers |
Packaging: | Available in 10 x 1 Litre and 1 Litre |