PU 421 Topcoat

Polyurethane Finish. A two pack, aliphatic acrylic polyurethane finish.

Intended Uses

Used as a highly durable finish coat with excellent obliteration properties for exterior of tanks, equipment, structural steel, concrete or any surface where weathering, chemical resistance, toughness and UV stability are required.PU 421 Topcoat is highly suited to the decorative and wood finish industry where a durable, fast drying, high performance polyurethane finish is required.

PU 421 Topcoat is suitable as a durable wear resistant floor coating.


  • Unlimited recoatability
  • Tough and durable
  • Excellent colour and gloss retention
  • Non-chalking & non-yellowing
  • Cures at temperatures down to -5°C
  • Excellent flexibility and durability
  • Resistant to mild chemicals, salt water, mineral and vegetable oils, paraffin’s, aliphatic solvent, dilute industrial chemicals & aqueous solutions