Product Description Coo-Var Patent Knotting is low viscosity shellac based coating that is designed for use on knotted or resinous areas of wood surfaces, helping to prevent future paint films applied to the surface from becoming stained. Touch dry in 2 hours and hard dry in 8 hours. Leave 16 hours or overnight before overcoating. For full details, please see the datasheets or contact us via the online chat, phone or email for any questions about this item or to check stock.
