3M Dual Lock Reclosable Fasteners SJ3542, SJ3552CF, SJ3562, SJ3872,SJ3540, SJ3550CF, SJ3560, SJ3541, SJ3551CF, SJ3561, SJ3871
Heavy-duty adhesive strip set
Series | English Name | Color | Adhesive Type | Application | Type 170 Model | Type 250 Model | Type 400 Model |
|---|---|---|---|---|---|---|---|
SJ3540 Series | SJ3540 Series | Black | Rubber Adhesive | General indoor use | SJ3542 | SJ3540 | SJ3541 |
SJ3550CF Series | SJ3550CF Series | Black | Hard Acrylic | Indoor & outdoor | SJ3552CF | SJ3550CF | SJ3551CF |
SJ3560 Series | SJ3560 Series | Clear | Hard Acrylic | Indoor & outdoor | SJ3562 | SJ3560 | SJ3561 |
SJ3870 Series | SJ3870 Series | Black | Modified Acrylic | Powder-coated surfaces, indoor & outdoor | SJ3872 | SJ3870 | SJ3871 |
SJ4570 Series | SJ4570 Thin Profile | Clear | Modified Acrylic | Indoor, thin-profile applications | — | SJ4570 | — |
SJ4575 Series | SJ4575 Thin Profile | Black | Modified Acrylic | Indoor, thin-profile applications | — | SJ4575 | — |
SJ4580 Series | SJ4580 Thin Profile | Clear | Modified Acrylic | Indoor & outdoor, thin-profile | — | SJ4580 | — |
3. 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)
4. 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.