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SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape

SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape

Product Name 3M™ Dual Lock™ Reclosable Fastener SJ3551
Color Black (fastener), White (adhesive)
Fastener Type Interlocking mushroom-shaped stems
Stem Density 400 stems/in² (62 stems/cm²)
Base/Backing Material Black polypropylene
Adhesive Type White general purpose acrylic pressure-sensitive adhesive
Release Liner 3M branded filmic liner
Engaged Thickness 5.4 mm (0.22 in)
Total Thickness Approx. 5.8 mm
Closure Cycle Life > 1,000 cycles
Maximum Operating Temperature 93 °C (200 °F)
Key Features High tensile strength, good initial adhesion, durable, UV & chemical resistant
Compatible Substrates Metals, glass, ABS, acrylic, polycarbonate, and most plastics
Standard Sizes Available in various widths (19 mm, 25.4 mm, 50.8 mm) x 45.7 m length rolls
Add To Inquiry Get The Price
Reclosable FastenerIndustrial Fastener3m Sj3551Dual Lock FastenerHeavy-duty FastenerUv Resistant Fastener
Product Description
3M™ Dual Lock™ Reclosable Fastener SJ3551 is a heavy-duty, reusable fastening solution designed as a reliable alternative to traditional mechanical fasteners like screws, bolts, and rivets. Featuring a black polypropylene base with a high-density array of interlocking mushroom-shaped stems (400 stems per square inch), this tape is coated with a robust white acrylic pressure-sensitive adhesive for instant bonding to a wide range of surfaces
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape
SJ3551 Double Sided Acrylic Die Cut Waterproof Warning 1 Inch Wide Reclosable Self Locking Hook and for Tape

Core Features & Benefits

  • Superior Holding Power: The unique mushroom-shaped stem design delivers exceptional tensile strength, up to 5 times that of standard hook-and-loop products, creating a secure and rigid bond.
  • Reusable & Durable: Engineered to withstand over 1,000 open/close cycles while maintaining consistent performance, making it ideal for applications requiring frequent access
  • Easy, Tool-Free Installation: The pressure-sensitive adhesive allows for quick application without drilling or tools. Simply peel the liner and apply to clean, dry surfaces.
  • Versatile Bonding: Forms strong bonds to metals, glass, and many plastics including ABS, acrylic, and polycarbonate.
  • Environmental Resistance: Offers good resistance to UV exposure, moisture, and chemicals, ensuring long-term durability in challenging environments.
  • Design Flexibility: Can mate with other Dual Lock stem densities (Type 170, Type 250) for customized fastening strengths. The audible 'snap' confirms full engagement

Recommended Applications

  • Interior Attachments: Headliners, instrument panels, door panels in vehicles
  • Equipment & Electronics: Access panels on exercise and industrial equipment, computer monitor accessories
  • Display & Signage: Graphic attachment, point-of-purchase displays, decorative trim
  • Furniture & Construction: Kick plates on partitions, wall panels, wood blinds
  • General Industrial: Mounting sensors, power strips, surveillance cameras, and small components

Why Choose 3M™ Dual Lock™ SJ3551?

This fastener combines the convenience of adhesive tape with the strength and reusability of a mechanical lock. It eliminates the cost and complexity of hardware while providing a clean, finished look. Whether for OEM manufacturing, industrial assembly, or interior design, SJ3551 offers a durable, flexible, and efficient fastening solution that stands up to repeated use and harsh conditions.

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