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description

• 3M™ Dual Lock™ Reclosable Fastener SJ3768, Roll Good is a black reclosable fastener with a rigid polypropylene backing that makes it appropriate for ultrasonic welding. It has a stem density of 250 stems per square inch. The mushroom-shaped stems interlock to supply very high tensile strength and replace mechanical fasteners in many applications.

features

• Audibly snaps together for a secure, dependable and repeatable attachment
• Interlocking mushroom-shaped stems snap together to form a strong, fast and easy attachment
• Appropriate for ultrasonic welding
• Strong holding power reduces the rattling and vibration of components
• Resistant to high temperatures and solvents
• Mates with other stem densities to achieve a variety of engagement and disengagement forces