Franmar's new UN-Lok removes locked emulsion, and saves you money by bringing your screens back from the dead. With its gel formulation, UN-Lok stays where you put it, allowing it to soak into all types of stubborn locked emulsion. UN-Lok removes any type of locked emulsion, even capillary films, without hours of power washing or the need to re-mesh. Keep your screens alive with the latest non-caustic, safer, screen cleaning product.