Datasheet

3M
TM
Dual Lock
TM
Reclosable Fasteners
Typical Physical
Properties
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
SJ-3460 SJ-3560 SJ-3440 SJ-3540 SJ-3550
Materials: Fastener: polyolefin polyolefin polyolefin polyolefin polyolefin
Adhesive: none VHB™ tape none synthetic rubber VHB™ tape
Liner: none clear PP & none white polyolefin clear PE &
red 3M logo red 3M logo
Width, inches (mm): 1 (25) 1 (25) 1 (25) 1 (25) 1 (25)
2 (51) 2 (51) 2 (51) 2 (51) 2 (51)
4 (102) 4 (102) 4 (102) 4 (102) 4 (102)
Color: clear clear black black black
Weight, grams/1" x 1": 0.5 1.1 0.5 0.7 0.9
(grams/25 mm x 25 mm)
Engaged Thickness, inches (mm): 0.16 (4.1) 0.23 (5.8) 0.16 (4.1) 0.23 (5.8) 0.23 (5.8)
(mated to itself)
Cycle Life (engaged to itself): 1000+ 1000+ 1000+ 1000+ 1000+
U.V. Resistance (ASTM D2565): 1000 hrs 1000 hrs 1000 hrs not rated 1000 hrs
(Xenon arc weatherometer)
Plasticizer Resistance: yes yes yes no yes
Flame Resistance: FAR 25.853: (a)(1)(iv) (a)(1)(ii) (a)(1)(iv) (a)(1)(iv) (a)(1)(iv)
FMVSS: 302 302 302 302 302
(SJ-3560, SJ-3540 and SJ-3550 Fasteners were tested for flame resistance after being adhered to thin metal panels).
Shelf Life:* 24 months 24 months 24 months 18 months 24 months
*From date of manufacture when stored in original packaging at 70°F (21°C) and 50% R.H.
Solvent Resistance: No apparent degradation of Dual Lock Reclosable Fastener when exposed to splash
Splash testing cycle- testing with many common solvents, including gasoline, JP-4 jet fuel, mineral spirits,
20 seconds submersion- motor oil, ammonia cleaner, acetone, methyl ethyl ketone (MEK).
20 seconds air dry-3 cycles.
Typical Performance
Characteristics
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
System Dynamic Closure Performance SJ-3460 SJ-3560 SJ-3440 SJ-3540 SJ-3550
Dynamic Tensile Disengagement: 38 38 30 30 30
Lbs/force/square inch (k Newtons/m
2
) (262) (262) (207) (207) (207)
Each product was mated to itself with firm pressure, and disengaged at a rate of 12 inches (305 mm)/minute.
System Static Closure Performance SJ-3460 SJ-3560 SJ-3440 SJ-3540 SJ-3550
Static Shear: Grams/sq. inch:
Will hold listed -20°F (-29°C) 1000 1000 1000 1000 1000
weight at listed 72°F (22°C) 1000 1000 1000 1000 1000
temperature for 120°F (49°C) 1000 1000 1000 500 1000
10,000 minutes 200°F (93°C) 500 500 500 – 500
Static Tensile: Grams/sq. inch:
Will hold listed -20°F (-29°C) 1000 1000 1000 1000 1000
weight at listed 72°F (22°C) 1000 1000 1000 1000 1000
temperature for 120°F (49°C) 1000 1000 1000 500 1000
10,000 minutes 200°F (93°C) 500 500 500 – 500
Each product was attached to aluminum and stainless steel panels, then engaged to itself in Tensile or Shear modes. Tests
were conducted at the temperatures and gram loadings listed.