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3M™ Dual Lock™ Reclosable Fastener SJ3872

3M Product Number  SJ3872     
3M™ Dual Lock™ Reclosable Fastener
3M™ Dual Lock™ Reclosable Fastener
3M(TM) Dual Lock(TM) SJ4580 Stem Close Up
3M Dual Lock Reclosable Fastener 170 Stems Per Inch Black
3M™ Dual Lock™ Reclosable Fastener SJ3872 has a modified acrylic adhesive on the back of a black polypropylene reclosable fastener. It has 170 stems per square inch with an egaged thickness of 0.24 inches. The closure life is 1,000 times.
  • Black fastener with mushroom shaped stems backed with a modified acrylic pressure sensitive adhesive.
  • Type 170 stem density polyolefin fastener which mates to Type 250 or 400.
  • Designed to bond to many plastics and powder coated paints and medium to low surface energy materials with little or no surface preparation.
  • General Industrial, Transportation, Speciality Vehicle, Medical, Military, Packaging, Point of Purchase Displays, Exhibits, Electronics, Construction, Furniture, Maintenance Repair and Operations (MRO)
  • Attach Doors, Flexible Solar Panels, Headliners, Access Panels, Signs and Display Components.
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For indoor/outdoor use. Medium temperature performance, temperature resistance 180 F. For use with many plastics (polyethylene, acrylic, polycarbonate, ABS), powder coated paints and medium to low surface energy materials.


Adhesive TypeModified Acrylic Adhesive
BrandDual Lock
Closure Life1000
Engaged Thickness0.24 Inch
Flame RetardantNo
IndustriesTransportation, Specialty Vehicle, Construction, Furniture, Medical, Military & Government, General Industrial, Retail, MRO, Electronics, Packaging
Length45 Linear Yard
Length (Metric)41.14 m
Liner Thickness5 mil
Liner TypeRed Polyethylene
Low ProfileNo
Maximum Operating Temperature (Celsius)82 Degree Celsius
Maximum Operating Temperature (Fahrenheit)180 Degree Fahrenheit
Product FormRoll
Stem Density170
Width0.75 Inch, 0.5 Inch, 1 Inch, 2 Inch
Width (Metric)25.4 mm, 12.7 mm, 19.05 mm, 50.8 mm