When your furniture/wood needs a stain blocking primer then this is perfect for the job.
Zinsser BIN is a shellac based primer, ideal for great adhesion when blocking out tannins, knots and oils from your wood.
Stir well and apply in thin coats with a brush or roller. Please note that this product dries very quickly so don't overbrush. Once dry, the primer can be gently sanded for a smooth base to your paintwork.
Zinsser BIN is ideal for raw pine, red woods like mahogany and cherry and will stops knots from bleeding into your paintwork in the future.
Use an old brush for application and clean with Methylated Spirits when finished.