Rustins Quick Drying MDF Sealer is a water based clear sealer suitable for all grades of MDF. Ideal for interior and exterior use, it requires only one coat application. This low odour formula can be overcoated with paint or varnish. It touches dry in just 30 minutes and is recoatable in a minimum of 2 hours. A 250ml tin provides coverage of up to 3m. This product conforms to Toys Safety Regulations 1995, BS EN 71 Part 3. Unlike white MDF sealers, its clear finish allows use with both paints or varnishes. It is a quick drying water based formula.