Dual Lock™ 048011-57981 MPN39575

3M™ Dual Lock™ Reclosable Fasteners SJ3756, SJ3789 and SJ3757 are comprised of a continuous film backing with stems protruding from one side of the backing. The self supporting flexible stems have mushroom shaped heads. The base film, the stems and mushroom heads are manufactured from black polyolefin materials. There are three types, Dual Lock reclosable fastener SJ3576 is a type 170, Dual Lock reclosable fastener SJ3789 is a type 250 and Dual Lock reclosable fastener SJ3757 is a type 400. The type refers to the approximate number of stems/sq-in.

Dual Lock™ Hook and Loop Fastener Tape, Type 250 Mushroom Shaped Reclosable, 45 yd Length, 6 in Width, 0.31 in Thickness, Black, 2.03 mm Pressure Sensitive Acrylic Adhesive, Polypropylene Backing, 31 sq-in-lb Tensile, 158 deg F

• Mushroom heads allow flexibility in alignment for easy attachment of components
• Can be opened and re-closed in high cycle applications
• Provides hidden component attachment, preventing disruption on the show surface
• Strong holding power reduces the rattling and vibration of components
• Does not require any special tools or processing equipment
• Can be used to attach components before they enter the final assembly plant, thus helping to reduce the number of parts and the length of assembly time
• Combinations of stem densities and the engaged area provide adjustable and proportional engagement and disengagement forces
• Audibly snaps together to form a secure, dependable and repeatable attachment

• Specification Sheet https://assets.unilogcorp.com/2/ITEM/DOC/Dual Lock_021200_38168_Datasheet.pdf
• Catalog https://assets.unilogcorp.com/2/ITEM/DOC/3M_021200_37989_Catalog.pdf