If you need to seal MDF before decorating, you can't go wrong with this Rustins Quick Drying MDF Sealer. The clear finish means it's suitable for applying varnish as well as paint - far more versatile than a white MDF sealer that can only be painted on.

Brand Name	Rustins
Colour	Clear
Manufacturer Model No	MDFS1000
Type	MDF Primer Sealer
Certifications Met	Conforms to the Toys (Safety) Regulations 1995, BS EN 71 Part 3
Pack Size	1
Volume (L)	1L