ALKA product reference

ALKA 211

1-Component, UV-Resistant, Moisture-Cure Polyurethane Topcoat

Alka- 211 is a 1-component, solvent-based, high chemical and UV-resistant, moisture-cure, polyurethane topcoat designed for use over concrete floor coatings and waterproofing membranes. Alka 211 is a trafficable topcoat that is UV-resistant and has been tested to pass accelerated UV testing using UVB light at 2000 hours.

Pack size: 10L / 10Kg Kit

Overview

Usage

As a clear topcoat for :

Decorative Flake systems,
Epoxy self-leveling floor toppings,
Exterior and interior decorative flooring finishes.
Metallic floorings or Liquid Marbles.

Advantages

Extremely bright, clear, and transparent.
Low viscosity.
Exceptionally Tough & Durable,
Excellent bond strength.
Easy application/Can be applied by brush or roller.
Multi-purpose use.
Ultra-High solids as supplied.
Protects new concrete from abuse.
Rejuvenates worn surfaces to a smooth finish.
Designed to take heavy loads.
Available in bulk quantities.
Good mechanical resistance.
Good chemical resistance.
Short waiting times before subsequent coatings.

Packaging

10 Kg

Colour

– clear & transparent.

Product Details

Shelf life: 9 months

Storage conditions

Store away from direct sunlight and away from naked flames, sparks, and heating.

Flash point >25 C

Density: 1.04 Kg/L

Application

Pot Life (at 25 C)
approximately 1 hour

Curing time (at 25 C)
Touch Dry Time: 12 hours
Re-coatable: 12-36 hours
Light traffic: 3 days
Full cure: 7 days.

APPLICATION INSTRUCTIONS

1 coat of 250-400 g/m2 will provide a durable layer of 0.15-0.25 mm. Final dry film thickness must be a minimum of 0.2 mm (200 micron). The number of coats will depend on the degree and type of traffic. For light foot traffic, a single coat at 400 g/m2 is recommended.
For heavy foot traffic and vehicular traffic, two coats of 400 g/m2 are recommended.

Alka 211 can be applied by brush, roller, spray, or squeegee.

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.