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Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black
Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black

Dual Lock Fastener with Adhesive Low VOC SJ3780/5408 Die Cut Single Sided for Auto Parts 250 Type Black

Product Name 3M™ Dual Lock™ Reclosable Fastener SJ3780/5408
Color Black (fastener), Grey (adhesive)
Fastener Type Interlocking mushroom-shaped stems (Type 250)
Stem Density 250 stems/in² (38.75 stems/cm²)
Base Material Black polypropylene
Adhesive Type Acrylic pressure-sensitive adhesive
Release Liner Red polyolefin liner
Engaged Thickness Approx. 5.8 mm (0.23 in)
Total Thickness Approx. 3.5 mm
Closure Cycle Life > 1,000 cycles
Maximum Operating Temperature 93 °C (200 °F)
Key Features High tensile strength, rattle-free, hidden fastening, UV & chemical resistant, audible snap
Compatible Substrates Metals, glass, ABS, acrylic, polycarbonate, most high/medium surface energy plastics
Standard Sizes 101.6 mm (4 in) × 50 m rolls (custom sizes available)
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Reclosable FastenerIndustrial FastenerDual Lock FastenerHeavy-duty FastenerUv Resistant Fastener3m Sj3780/5408Type 250 Mushroom TapeGrey Adhesive Fastener
Product Description
3M™ Dual Lock™ SJ3780/5408 is a heavy-duty reclosable fastener with 250 stems/in² Type 250 mushroom stems for strong, rattle-free holding. It uses a grey acrylic adhesive with a red release liner, bonding securely to metals, glass, and most plastics.
This fastener is durable, reusable, UV and chemical resistant, and withstands over 1,000 open/close cycles. It provides hidden, clean fastening with an audible snap for secure engagement. Ideal for automotive interior trim, electronic panels, signage, furniture assembly, and general industrial mounting.

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