Dual Lock™ from 3M™ is a high quality mushroom type reclosable fastening system. Black and Transparent Dual Lock™ 45.7m rolls supplied in a range of disengagement strengths and adhesive backings.
| Disengagement Strengths |
Combination Types |
| Property |
Surface |
170-400 |
250-250 |
250-400 |
400-400 |
| Tensile disengagement Lbs/sq.in. (kPa) |
Rigid to Rigid |
32 (221) Low |
Clear 38 (262) Medium |
Black 30 (207) Medium |
47 (324) High |
55 (380) V.High |
Please note SJ 4570 only mates to itself
We do not recommend SJ 3552 mates to itself |
Product Selection Guide
| Ref |
Type (Stems/Sq Inch) |
Adhesive |
Disengagement Strength |
Colour |
Features |
| SJ3440 |
250 |
None |
Medium |
Black |
25mm x 45.7m |
| SJ3540 |
250 |
Rubber (general purpose) |
Medium/High |
Black |
25mm x 45.7m |
| SJ3541 |
400 |
Rubber (general purpose) |
Medium/High |
Black |
25mm x 45.7m |
| SJ3542 |
170 |
Rubber (general purpose) |
Low (will not mate to itself) |
Black |
25mm x 45.7m |
| SJ3550 |
250 |
VHB Acrylic (high performance) |
Medium/High |
Black |
25mm x 45.7m |
| SJ3551 |
400 |
VHB Acrylic (high performance) |
Very High |
Black |
25mm x 45.7m |
| SJ3552 |
170 |
VHB Acrylic (high performance) |
Low (will not mate to itself) |
Black |
25mm x 45.7m |
| SJ3560 |
250 |
VHB Acrylic (high performance) |
Medium/High |
Clear |
25mm x 45.7m |
| SJ4570 |
250 |
High Performance Acrylic Adhesive |
Medium/High (only mates to itself) |
Clear |
Low Profile 25mm x 45.7m |
If you wish to choose the product by matching to substrates please click here for our easy to use guide
Need more help or advice? Then 
