#957 Instant Screen Opener A convenient and easy-to-use product designed to open dried-up areas on screens. Compatible with all types of screen printing inks, and is guaranteed to leave no film. To use, simply spray a very thin application to the dried-in areas. Two or three squeegee passes will open the mesh completely. Use at regular intervals to help prevent clogging and work delays. NOTE: Use only on screens made with photographic (direct or indirect), stencil, or lacquer-proof knife-cut films.