3M Dual Lock Reclosable Fasteners SJ3542, SJ3552CF, SJ3562, SJ3872,SJ3540, SJ3550CF, SJ3560, SJ3541, SJ3551CF, SJ3561, SJ3871
Heavy-duty adhesive strip set
Recommended Bonding Combinations
Highest Strength: Type 250 × Type 400
High Strength: Type 250 × Type 250 or Type 170 × Type 400
Medium Strength: Type 170 × Type 250
Not Recommended: Type 170 × Type 170 (too weak), Type 400 × Type 400 (too tight)
Product Image Descriptions
Black Standard Dual Lock (SJ3540 / SJ3870 Series): Black mushroom-shaped fastener with self-adhesive backing, standard thickness.
Clear Standard Dual Lock (SJ3560 Series): Transparent reclosable fastener, weather-resistant acrylic adhesive.
Thin Clear Dual Lock (SJ4570 / SJ4580 Series): Low-profile transparent fastener for slim design applications.
Thin Black Dual Lock (SJ4575 Series): Low-profile black fastener for discreet indoor mounting.