office tape 1,high quality & steady 2,excellent adhesion,due to own glue factory 3,high tension stress 4,material:BOPP office tapeThis ... type of tapes utilize bioriented polypropylene (BOPP) as the backing material with acrylic ... /T7753-1987Elongation at break %≥110≥120≥130≥140≥150≥160 BOPP office tape