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Mounting and Trim Attachment Assemblies
3M Mounting and Trim Attachment product solutions hold strong and long for smarter designs
The perfect tools for stylish performance
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Mounting and Trim Attachment is the application of a smaller object to a larger surface to add functionality or decoration. These kinds of attachments are common in transportation, appliances, furniture, construction and architecture. They often require dead load holding strength, aesthetics, removability and fast bonding with little or no fixturing.
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Mounting Assembly
Examples include small signs, mirrors and white boards, and panel-over-panel with partial adhesive coverage.
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Trim Attachment
Decoration or identification added to a surface. Examples included nameplates, edge banding, bezels, rosettes and muntin bars.
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Mounting and Trim Attachment Assemblies Typically Require
- Dead load holding strength
- Pleasing aesthetics
- Repositionability during application
- Fast rate of strength build
- Removability after cure
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Shear Stress in Mounting and Trim Attachment Assemblies
Very similar to panel-to-frame and stiffener-to-panel assemblies, mounting and trim often experience dead load shear due to gravity. Because the joint is often already designed as shear it is an inherently preferable design for adhesive bonding. Some mounting applications, however, will also see some cleavage in addition to shear – and as an impact rather than dead load. Consider lenses or housings mounted to portable electronics or cases. Dynamic stresses are very common and drop-tests may be performed to test adhesive or tape strength.
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PRO TIP
When the application requires dynamic strength, designing the joint with a tongue-and-groove provides additional mechanical strength and stress dissipation upon impact. Structural adhesives can often be used for these applications to provide a permanent assembly.
Product Categories and considerations for Mounting and Trim Attachments
It’s the details that make your design so smart. That’s why you need adhesives for mounting and trim that hold fast when you want, remove easily when necessary and stay hidden for a clean appearance. 3M tapes and adhesives are ideal for invisibly mounting items like small signs, panels or mirrors, as well as muntin bars, edging, bezels, rosettes and other trim.
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High-strength bonding tapes are a proven alternative to screws, rivets, welds and other mechanical fasteners. Can pre-apply to trim for production flexibility. Ideal for dissimilar substrates.
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Acrylic, epoxy and urethane structural adhesives hold over 6.8MPa (1,000psi) in overlap shear strength. Use for heavy dead-loads with smaller joint areas (Example: brackets on heavy panels, poorly matched parts with high spring-back forces).
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One part solvent-free cyanoacrylate (CA) adhesive that reaches handling strength in 5–30 seconds. Best for small very tight bondlines (<10 cm ). Commonly used on rubbers and plastics.
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One component, hot applied thermosetting adhesive with immediate strength and holding power. Final cured strength over 6.8MPa (1,000psi). Best for wood and plastic.
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A paper, film or tissue carrier with pressure sensitive adhesive on both sides. Can be laminated onto a surface by hand or by automation. Can be pre-applied to trim. Provides very thin, aesthetic bondlines. Special formulations for LSE plastics.
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A pressure sensitive adhesive on a liner. Can be laminated onto a surface by hand or by automation. Can be pre-applied to trim. Provides very thin, aesthetic bondlines. Special formulations for LSE plastics.
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3M™ Dual Lock™ and 3M™ Hook and Loop Reclosable Fasteners for strong yet easily removable fastening solutions. These products are ideal for quick mounting, trim or sign installation and change out.
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100% solid, thermoplastic resins that reach bond strength in seconds. Best for wood and plastic.
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The Scotch® ATG Tape system from 3M™ provides an effective bond between more than 350 substrate combinations and includes an easy-to-load applicator for optimal efficiency during production.
Performance Factors for Mounting and Trim Attachment
All 3M technologies shown below are commonly used in mounting and trim attachment applications. Use the list below as a relative comparison of product performance.
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+ = Good ++ = Better +++ = Best
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Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at +971 4 3670 777.
Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at +971 4 3670 777.
