3M SJ3550 Black Dual Lock Reclosable Fastener

3M SJ3550 Black Dual Lock Reclosable Fastener

  • Black, interlocking mushroom-shaped heads provide strong, reliable and durable fastening that can be opened and closed multiple times
  • 250 stem density per square inch; mates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinations
  • White, acrylic, conformable foam tape bonds well to a variety of substrates including metals and plastics such as acrylics, polycarbonate and ABS
  • Additional Product Information
  • Discontinued

Description and Features

Product Description The 3M Dual Lock SJ3550 Reclosable Fastener is a "Type 250," which means its surface has approximately 250 stems per square inch with a 0.23 inch engaged thickness. Stems and heads are manufactured from black polypropylene and the backing is made of 37 mils of acrylic foam tape protected by a removable liner. This construction allows for better contact with surfaces having slight texturing or surface irregularities.
Applications Access panels
Graphic attachment
Specialty vehicles (interior attachments)
General industrial attachment
Small components
Feature 1 Black, interlocking mushroom-shaped heads provide strong, reliable and durable fastening that can be opened and closed multiple times
Feature 2 250 stem density per square inch; mates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinations
Feature 3 White, acrylic, conformable foam tape bonds well to a variety of substrates including metals and plastics such as acrylics, polycarbonate and ABS
Feature 4 Strong fastener secures with an audible snap, verifying closure
Feature 5 An alternative to screws and bolts, hidden fastener provides a snug fit and smooth aesthetic appearance
Feature 6 Features good temperature resistance of 200°F (93°C)
Feature 7 Features a strong, durable bond that is heat, chemical and UV resistant
Feature 8 Best suited for indoor and outdoor use
Feature 9 Pre-cut shapes save time, money and reduce waste

Specifications

Color Black
Adhesive Type General Purpose Acrylic Adhesive
Liner Clear Polyolefin
Indoor/Outdoor Indoor/Outdoor
Hook / Loop N/A
Low Profile N/A
Average Closure Life N/A
Compatible Parts SJ3551, SJ3552
Stem Density N/A
UNSPSC 11162114
Country of Origin United States
Origin Criterion B
Certification Indicator NO3
Qualification Method NC
Cage Code 4AJG6
ECCN Number EAR99

Compliance

Storage Condition Humidity Controlled Storage (16C/60F TO 27C/80F & 40-60%RH)
Shelf Life N/A
Return Policy 25% restocking fee
RoHS Status RoHS3 Compliant
REACH Status REACH Compliant
Prop 65 Compliance Prop 65 Compliant
CMRT CMRT Compliant
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