ALKA 421
Two-Component Acrylic Polyurethane DTM SYSTEMAlka 421 is A two-component high gloss white acrylic polyurethane topcoat formulated with hydroxyl acrylic resin technology for direct to metal application.
Alka 421 provides excellent adhesion to properly prepared metal, superior corrosion resistance, excellent gloss, weather resistance, hardness, chemical resistance and long-term durability.
10 Litre Kit for $000 including GST.
Usage
| Structural Steel | Beams, columns, steel frameworks |
| Galvanized Surface Repairs | Touch-up and repair of damaged galvanizing |
| Welded Areas | Protection of weld joints and heat-affected zones |
| Pipelines | External steel pipeline protection |
| Storage Tanks | Maintenance coating for steel tanks |
| Industrial Equipment | Machinery, steel components, fabricated parts |
| Marine Environments | Coastal steel structures and marine equipment |
| Fences & Railings | Steel fencing, gates, guard rails |
| Transmission Towers | Utility poles, telecom, and power towers |
| Automotive & Transport | Chassis parts, trailers, truck bodies |
Packaging
4 Litre, 20 Litre
Colour
White (High Gloss)
Shelf life: 12 months
Storage conditions
Store away from direct sunlight and away from naked flames, sparks, and heating.
Flash point >25 C
Solid Content: 58-65 %
Coverage
Approximately 8-9 m²/Kg at 50 microns DFT
Pot Life
3-4 hours
Dry Time
Touch dry in 30-45 minutes
Recoat time (at 25 C)
Re-coatable: 4-6 hours
Compatible System
Alka 4201 generally requires a separate primer such as Alka 404 (zinc-rich primers), and it might be used as a topcoat for Alka 413 (MIO Epoxy System).
- Conventional spray
- Airless spray
- Brush or roller for small areas and touch-up work
- Temperature: 10°C – 40°C
- Relative Humidity: Below 85%
- Thinner: Toluene / Xylene blend
- Equipment cleaning: Same as thinner
CLEANING OF EQUIPMENT
Xylene can be used for cleaning tools and equipment before the mixed compound begins to harden. Once cured, it can only be removed mechanically.
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