Confused about how to select the right Dual Lock for you?
When choosing the right Dual Lock for you there are 2 basic factors:
What are you sticking it to: Adhesive
Engagement strength required: Stem count combination
Adhesives:
| SJ3540/SJ3541/SJ3542
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SJ3550/SJ3551/SJ3552
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SJ3560/SJ3561/SJ3562
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SJ4570/SJ4575
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SJ4580
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Indoor use only
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Indoor/outdoor use
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Best outdoor Performance
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Indoor use only
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Indoor/Outdoor use
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Sticks to most surfaces, including powdered paint, unvarnished woods
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Sticks well to non powered coated metals, smooth plastics.
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Sticks well to non powered coated metals, smooth plastics.
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Sticks well to non powered coated metals, smooth plastics.
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Sticks well to most surfaces.
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Does not work well on vinyls
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Temperature resistance 200ºF
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UV Resistant
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Temperature resistance 128ºF
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Temperature resistance 200ºF
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| Temperature resistance 120ºF
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Temperature resistance 220ºF
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Stem Count
"Type" refers to one of 4 stem counts: 170, 250, 400, 705
Recommended mating combinations:
- 250 to 250/170 to 400 - Most common - medium engagement
170 to 250 - Lightest engagement
250 to 400 - Higher engagement force
705 is Low Profile, and only mates to itself
Stem Count/Types
There are 3 basic types/stem counts of standard 3M™ Dual Lock™:
| Type 250 - Stems in Wave pattern, approximately 250 stems per inch.
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Type 170 - wide rows, approximately 170 stems per inch.
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Type 400 - heads almost touching, approximately 400 stems per inch
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Still not sure? Email questions to sales@iTapeStore.com or call customer service at 888-233-2216 for expert help.