Industrial Coatings

Clear Polyurethane Anti-Scratch Varnish

ARDEX R 21 PU

Impermeable to Water Vapour and Liquid
Resistant to Scratching and Abrasion
Matt Finish

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Information
Information

ARDEX R 21 PU is a transparent, anti-scratch two-component aliphatic polyurethane coating suitable for finishing and protecting polymeric and concrete flooring, increasing resistance to scratching and abrasion, and providing outdoor stability and chemical resistance.

After setting, ARDEX R 21 PU is waterproof, resistant to chemical agents and weathering, frost and weathering.

Use:

Internal or external applications

Protection of polymeric flooring exposed to light vehicle and pedestrian traffic, such as garages, warehouses, showrooms, light industrial buildings

Protective layer on flooring with coloured aggregates or chips

Matt finish for floor self-levelling
Technical Data
Technical Data

Location:

Internal and external

Substrates:

Protective coating over ARDEX R 76 PU or ARDEX R 50 ES

Coverage:

80-90g/m² per coat

Density:

Approx. 1.1kg/L

Working Time:

Approx. 50 minutes

Drying Time:

Touch Dry: 5 Hours

Trafficable: 48 Hours

Full Cure: 7 Days
Downloads

Downloads

Technical Datasheet

Part A SDS

Part B SDS

Building Product Information Sheet (BPIS)