3M SJ3550 Data Sheet
Dual Lock™ Reclosable
Fastener SJ3550
Product Data Sheet
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January 2017 |
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Supersedes: October 2016 |
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Product Description |
3M™ Dual Lock™ Reclosable Fastener SJ3550 is a general |
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purpose black reclosable fastener with 250 stems per square inch. |
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This black fastener has mushroom shaped stems on a |
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polypropylene carrier, which is coated with a white, general purpose |
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acrylic pressure sensitive adhesive. |
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Key Features |
• General purpose acrylic adhesive bonds to medium to high |
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surface energy substrates (e.g. metal, ABS) |
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• Stem density: 250 stems/in² |
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• Closure cycle life > 1 000 |
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• Mushroom shaped stems snap in place to ensure fastener is |
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engaged |
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• Good aging performance and resistance against humidity |
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• Good initial adhesion |
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• Quick and easy to install |
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• Durable for indoor and outdoor applications |
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Physical Properties |
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Type |
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SJ3550 |
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Adhesive Type |
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Acrylic adhesive |
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Tape Colour |
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White |
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Backing |
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Black polypropylene |
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Stems |
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Black polypropylene |
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Release Liner |
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3M branded filmic liner |
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Engaged Thickness |
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5.4 mm |
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acc. DIN EN 1942: 2008 |
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Dual Lock™ Reclosable Fasteners SJ3550
January 2017
Performance Characteristics
Type
90 ° Peel adhesion to Stainless Steel
acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell
90 ° Peel adhesion to PP
acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell
90 ° Peel adhesion to ABS
acc. to ISO 29862:2007, 90 ° peel angle @ RT, after 72h @ RT dwell
90 ° Peel adhesion to Stainless Steel acc. to ISO 29862:2007, 90 ° peel angle @ RT,
after 72h @ RT dwell and after 10d @ 38 °C & 98 % rH
Dyn. Tensile Engagement Strength acc. to ASTM D897-08, tested @ RT
Dyn. Tensile Disengagement Strength acc. to ASTM D897-08, tested @ RT
Dyn. Tensile Disengagement Strength acc. to ASTM D897-08, tested @ 70 °C
Dynamic Shear – Max. Force
acc.ISO 29863:2007 to stainless steel
Dynamic Shear – Elongation acc.ISO 29863:2007 to stainless steel
Static Shear Strength Stainless Steel
ISO 29863:2007, after 72h @ RT dwell
(Holds minimum 77.5 g/cm² for 10.000 minutes)
„T“ Peel (flexible to flexible) acc. ISO 29862:2007
SJ3550
25 N/cm
4 N/cm
30 N/cm
23 N/cm
113 N/in²
231 N/in²
56 kPa
102 kPa
60 %
23 °C – 500 g
70 °C – 500 g
53 N/cm
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