Rustins Polyurethane Extra Tough Clear Varnish Satin is a tough and durable finish for all woodwork and cork. Apply 2-3 coats for the perfect finish. Re-coating time 2-8 hours. Can also be applied over Rustins Wood Dyes. This is a high build, air-drying polyurethane. The finish produced is tough, durable and resistant to oil, water and many chemicals. Intended Use: Bare wood, hardboard, MDF and unsealed cork. Interior use only. For floors, use Rustins Polyurethane Floor Sealer. Special Features: High abrasion and mechanical impact resistance. Finish: Satin. Size: 2.5 Litre. Coverage: 14-16m² per Litre per Coat.