Datasheet

ManualsBrands3M ManualsAdhesivesDual Lock Hook-and-loop tape stick-on (L x W) 2.5 m x 25 mm Black 1 pc(s)

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Dual Lock™ Reclosable

Fastener SJ3870

Product Data Sheet

September 2022

Supersedes: January 2017

Product Description

3M™ Dual Lock™ Reclosable Fastener SJ3870 contains a

modified acrylic adhesive. The fastener consists of continuous

strips of polyolefine with 250 polyolefine stems per square inch

having a mushroom shaped top.

Key Features

• Modified acrylic adhesive bonds to medium to high surface

energy substrates (e.g. metal, ABS)

• Stem density: 250 stems/in²

• Closure cycle life > 1 000

• Mushroom shaped stems snap in place to ensure fastener is

engaged

• Good aging performance and resistance against humidity

• Good initial adhesion

• Quick and easy to install

• Durable for indoor and outdoor applications

Physical Properties

Type SJ3870

Adhesive Type

Modified acrylic adhesive

Tape Colour Black

Backing Black polypropylene

Stems Black polypropylene

Release Liner 3M branded filmic liner

Engaged Thickness

acc. DIN EN 1942: 2008

5.8 mm

Page 1 of 4

Summary of content (4 pages)

PAGE 1
Dual Lock™ Reclosable Fastener SJ3870 Product Data Sheet September 2022 Supersedes: January 2017 Product Description 3M™ Dual Lock™ Reclosable Fastener SJ3870 contains a modified acrylic adhesive. The fastener consists of continuous strips of polyolefine with 250 polyolefine stems per square inch having a mushroom shaped top. Key Features • Modified acrylic adhesive bonds to medium to high surface energy substrates (e.g.
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Dual Lock™ Reclosable Fastener SJ3870 September 2022 Performance Characteristics Type SJ3870 90 ° Peel adhesion to Stainless Steel acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell 90 ° Peel adhesion to PP acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell 90 ° Peel adhesion to ABS acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell 90 ° Peel adhesion to Stainless Steel acc.
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Dual Lock™ Reclosable Fastener SJ3870 September 2022 For Additional Information To request additional product information or to arrange for sales assistance, call…… Address correspondence to: 3M Automotive Disclaimer Automotive Applications: This product is an industrial product and has not been designed or tested for use in certain automotive applications, including, but not limited to, automotive electric powertrain battery or high voltage applications.
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Important Notice All statements, technical information and recommendations contained in this document are based upon tests or experience that 3M believes are reliable. However, many factors beyond 3M’s control can affect the use and performance of a 3M product in a particular application, including the conditions under which the product is used and the time and environmental conditions in which the product is expected to perform.