3M™ Dual Lock™ Reclosable Fastener SJ3780, Roll Good without Pressure Sensitive Adhesive, Stem Density 250, Black

3M™ Dual Lock™ Reclosable Fastener SJ3780 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 250 stems per square inch.

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.

• 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.