Dual Lock

 
For convenient access to wiring in moveable office partitions, 3M™ Dual Lock™ Reclosable Fasteners attach metal cover plates over wiring channels for quick snap access. A 3M™ Dual Lock™ Reclosable Fastener attaches an automatic toll transponder to a windshield. Attachment is secure, yet the transponder can be easily removed to help prevent theft.
 
Product Number
Product Type
Colour
Back-coating
Engaged Thickness Inches (mm)
Temperature Performance Wt. In grams (Temp: *F/*C)
Comments
SJ3550
250
Black
White Acrylic
PSA
0.23 (5.7) 
1,000g
200*F (93*C)
 ▪ Conformable, tacky adhesive adheres better to slightly textured or irregular surfaces
SJ3551
400
SJ3552
170
SJ3560
250
Clear
Clear Acrylic
PSA
0.23 (5.7)
1,000g
200*F (93*C)
 ▪ Translucent fastener with aggressive, tacky adhesive for general bonding to most medium and high energy surfaces
SJ3561
400
SJ3562
170
SJ3540
250
Black
Synthetic Rubber PSA
0.23 (5.7)
500g
120*F (49*C)
 ▪ For indoor use or attachment to low surface energy substrates
SJ3541
400
SJ3542
170
SJ4570
705
Clear
Clear Acrylic PSA
0.10 (2.5)
500g
120*F (49*C)
 ▪ Thin adhesive bonds well to low surface energy substrates
SJ4580
705
0.12 (3.0) 
1,000g
200*F (93*C)
 ▪ Aggressive, tacky adhesive for general bonding to most medium & high energy surfaces
▪ Excellent for outdoor & high humidity conditions
▪ Certified to Ford WSB M15P35 Type III.
Note: The technical information and data provided here should be considered representative or typical only and should not be used for specification purposes. 

Closure Strength Choices

Types 170, 250 & 400 refers to approximate stems per square inch on one side of the fastener. Type 400, for example, is 400 stems/square inch. You can mix different types as indicated below. Closure strength increases with the total number of stems that interlock or with increased area engaged.
Closure Strength:
250 to 400 > 250 to 250 >_
170 to 400 >170 to 250