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Black polypropylene reclosable fastener roll, low profile, 10 ft length

3M

3M Dual Lock Low Profile Reclosable Fastener 5/8 in x 10 ft Black SJ4575

SKU CH-3RRN-K9EXK

A 10-foot roll of black reclosable fastener with 65-mil acrylic adhesive on polypropylene backing, cut into two strips for secure, repositionable mounting

  • TypeAdhesive Tapes
  • ColorBlack
  • Thin 65 mil profile fits tight spaces
  • Reclosable design allows repeated opening and closing
  • Acrylic 300 LSE adhesive bonds to many substrates
  • 10 ft roll cuts into two 5 ft strips
  • Replaces screws, rivets and hook-and-loop fasteners

What it is and who it’s for

This is a low-profile reclosable fastener roll that replaces screws, clips or hook-and-loop tape where frequent access or repositioning is required. It suits point-of-purchase displays, trade-show graphics, electronics mounting and similar lightweight fastening tasks.

Build quality and daily implications

The fastener uses a polypropylene carrier with 300 LSE acrylic adhesive on an 86# polycoated Kraft liner. The single-sided mushroom design means the 10-foot roll is cut in half to create two mating strips, giving a thin, flexible bond that can be opened and closed repeatedly.

The spec that decides fit

Carrier-plus-adhesive thickness is 65 mils with a 6.5-mil liner. 3M rates the low-profile Dual Lock at roughly four square inches per pound of static load, so the roll works for light panels, access covers and small devices but not for heavy structural loads.

Highlights

  • Thin 65 mil profile fits tight spaces
  • Reclosable design allows repeated opening and closing
  • Acrylic 300 LSE adhesive bonds to many substrates
  • 10 ft roll cuts into two 5 ft strips
  • Replaces screws, rivets and hook-and-loop fasteners

Specifications

TypeAdhesive Tapes
ColorBlack

Questions about this item

What adhesive backs the SJ4575 and what substrates does it bond to?

3M 300 LSE acrylic adhesive bonds polypropylene, polyethylene, metal, finished wood and other low-surface-energy materials.

What roll width and liner thickness must the mounting surface accommodate?

The roll is 5/8 in wide and carries an 86# polycoated Kraft liner 6.5 mils thick.

How do I prepare the dual-lock strips from the 10 ft roll for a reclosable joint?

Cut the roll in half lengthwise to make two 5 ft strips, press the mushroom stems together, then apply each strip to its surface with firm pressure.

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