3M Repulpable Forms Splicing Tape 8507, Blue, 1/2 in x 15 yd (1.3 cm x 13.7 m), 2.3 mil (0.06 mm), 72 Rolls/Case
3M Repulpable Forms Splicing Tape is a specially-engineered tape for forms-splicing with a thin, semi-bleached backing, heat-resistant adhesive and skip-slit for easy separation
it's all completely repulpable so scrap is never contaminated.