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Body-in-White vehicle frame

Isolation Solutions for Body-in-White

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Maintaining Uncommon Bonds in BIW

 

Bonding, joining and sealing are important to the integrity of your designs. When you’re working with different types of metals, isolation becomes critical. 3M provides a broad range of solutions that help isolate dissimilar metals while allowing you to achieve lightweighting, acoustic and aesthetics requirements. Check them out here.

 

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    Melt Sealing Tapes

    3M allows designers to incorporate less metal in automotive concepts through the science of sealers and sealer applications. Our melt sealing tapes are formulated to flow when heated in conventional paint ovens, filling broader holes and seams and creating corrosion-preventing seals.

    • 3M™ Melt Sealing Tape 5230
      This white .5 mm conformable structural sealing tape is free of polyvinyl chloride (PVC) and formulated to seal automotive body joints on hidden surfaces. It is ideal for sealing roof ditches, combined panel edge seals, holes and body joints.
    • 3M™ Melt Sealing Tape 5231
      This white 1.0 mm conformable, PVC-free structural sealing tape is formulated to seal automotive body joints on hidden surfaces. It is ideal for sealing roof ditches, combined panel edge seals, holes and body joints.
    • 3M™ Melt Sealing Tape 5232
      This white 1.5 mm conformable, PVC-free structural sealing tape is formulated to seal automotive body joints on hidden surfaces. It is ideal for sealing roof ditches, combined panel edge seals, holes and body joints.

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    Structural Adhesive Liquids

    3M delivers structural adhesive liquids that allow for reinforcement and, in many applications, replacement of mechanical fasteners such as rivets and spot welds – ideal for isolation requirements. These liquids can be applied quickly and efficiently and provide flexible working times. They are heat-cured to structural strength at variable rates using established OEM processes – there's usually no need to add process steps for adhesive cure.

    Many of our two-part epoxy structural adhesives are available in Duo-Pak cartridge and bulk containers and can be applied with 3M application equipment that allows for precise, consistent mix ratios and minimal product waste.

    • 3M™ Structural Adhesive SA9820
      Formulated for increased design flexibility in automotive OEM applications, this two-part epoxy adhesive is ideal for bonding carbon composites. It cures at low temperatures and can achieve the same mechanical performance of 1K, even on oily metals. Bonded substructures can be stored up to two months before full e-coat/paint cycle curing.
    • 3M™ Scotch-Weld™ Epoxy Adhesive DP460
      This toughened, two-part epoxy adhesive provides heat and chemical resistance for automotive applications. It mixes at 2:1 and provides a 60-minute working time, allowing for positioning of either substrate. It reaches handling strength in about four hours.
    • 3M™ Scotch-Weld™ Epoxy Adhesive DP490
      This non-sag, thixotropic, two-part epoxy adhesive is designed for high-strength applications. It mixes at 2:1, features a 90-minute work life and resists temperatures up to 248ºF/120ºC. It bonds to difficult surfaces including most plastics and powder coated metals.
    • 3M™ Scotch-Weld™ Urethane Adhesive DP620NS
      Our two-part, polyurethane-based structural adhesive is ideal for applications requiring low-temperature flexibility. It mixes at 1:1 and provides a 20-minute work life, allowing for positioning of either substrate. It reaches handling strength in about four hours.

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    Structural Adhesive Tapes

    The power of 3M structural adhesives in a tape format makes for added precision where clean, complete application is critical, such as in BIW areas where corrosion is a main concern. These structural adhesive tapes improve quality by reducing variability of application and can bond to a variety of metal substrates. They also expand during cure to fill gaps, which can help reduce warranty claims in some applications. Structural adhesive tapes are especially useful for bonding long, thin areas where the use of spot welds or mechanical fasteners has traditionally required extra time and labor. 

    • 3M™ Structural Adhesive Tape SAT1010
      3M™ Structural Adhesive Tape SAT1010 is ideal for structural bonding strength, sealing and isolation between dissimilar materials. It features an expanding, structural epoxy formulated for steel and aluminum parts. The tape expands and cures in e-coat cure ovens and can fill small gaps where tolerances would otherwise be an issue. It is an alternative to clinching and provides clean, repeatable application without the variability of many liquid adhesives.

Need Help Finding the Right Solution?

3M is constantly working to meet the evolving challenges of automotive OEM and Tier suppliers worldwide. If you need help finding an existing solution or would like to talk about specific ideas you’re working on, get in touch with us.

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