From - DaTong Tech

3M Tape : 

3M 9996 Repulpable Flying Splice Tape

3M 9996J, 9996JH, 3M R9999, is a 2.5 mil, double coated tissue that is a repulpable, flying splice tape for heat set commercial printing.
Maximum Short-Term Temperature 400°F

3M 8387, 3M R9999, 3M 9996, 3M 9359, 3M 9356 ;