ALKA 420

Two-Component Acrylic Polyurethane MIO DTM SYSTEM

Alka 420 is A two-component high gloss white acrylic polyurethane topcoat formulated hydroxyl acrylic resin and MIO (Mica Iron Oxide) technology for direct to metal application.

Alka 420 Provides excellent adhesion to properly prepared metal, superior corrosion resistance, excellent gloss, weather resistance, hardness, chemical resistance and long-term durability.

Alka 110 - kit - N23

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 420 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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