Rustins Extra Tough Polyurethane Colour Varnish Gloss Oak is a tough and durable finish for all woodwork and cork. It stains and varnishes in one operation. Apply 2-3 coats for the perfect finish. Re-coating time is between 2-8 hours. This is a high build, air-drying polyurethane that provides a tough, durable finish resistant to oil, water, and many chemicals. It is intended for use on bare wood, hardboard, MDF, and unsealed cork for interior use only. For floors, use Rustins Polyurethane Floor Sealer. Special features include high abrasion and mechanical impact resistance. Colour: Oak. Finish: Gloss. Size: 500ml. Preparation is required before application.