3M Dual Lock Recloseable Fastener SJ3550CF, Black, 1/2" x 50yd, 250 Stems/inch 444 3M ID : 78811730643

3M ID : 78811730643

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3M Dual Lock Recloseable Fastener SJ3550CF, Black, 1/2" x 50yd, 250 Stems/inch 444 3M ID : 788117306433M Dual Lock Recloseable Fastener SJ3550CF, Black, 1 2" x 50yd, 250 Stems inch A general purpose, acrylic adhesive on the back of a black, polypropylene reclosable fastener. 250 stems per square inch. . 23 inch engaged thickness. Closure life 1,000. 3M Dual Lock Reclosable Fasteners SJ3550CF (previously known as SJ3550) consists of continuous strips of polyolefin stems with a mushroom shaped top protruding up from the backing. These fasteners have a