They consist of continuous strips of polyolefin stems with a mushroom shaped top protruding up from the backing. There are three types (170, 250 and 400) of these fasteners referring to the approximate number of stems per square inch. These fasteners have a 37 mil white conformable acrylic foam adhesive providing good contact with substrates having a slight texture or surface irregularities. The adhesive is protected with a clear silicone treated liner allowing easy removal from the adhesive. It consists of the Dual Lock adhesive and/or the adhesive side of the liner being spliced, thus providing product and liner continuity on the roll.

 

These products are designated with a FS suffix, after the SJ product number. They have been used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets.