Tek-404 Screen Rejuvenator is a biodegradable, 100% water-soluble formula manufactured for the removal of the heaviest haze and ghost images caused by UV, epoxy, plastisol, stencil, conventional, and solvent-based ink residues. Tek-404 Screen Rejuvenator, when used in combination with a Tek screenwash of choice, is a powerful haze and ghost-image remover. Using this product instead of heavy caustic pastes will greatly increase the life of a screen fabric.