3M™ Dual Lock™ Reclosable Fastener SJ3741 is a black, polypropylene reclosable fastener roll good without pressure-sensitive adhesive. This fastener is available in a number widths and has a stem density of 400 stems per square inch.
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
Audibly snaps together to form a secure, dependable and repeatable attachment.
3M™ Dual Lock™ Reclosable Fasteners withouth Pressure Sensitive Adhesive can be attached to surfaces by sewing, stapling, ultrasonically fusing to many polypropylene materials or use of liquid adhesives which bond polypropylene.