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Stronger Bonds. Proven Solutions

L&L Bond

Stronger Bonds. Proven Solutions

Using our unique expertise in adhesive technology we have developed adhesives that enable bonding of dissimilar materials, thus making structures lighter and stronger.

L&L BondPractical alternatives to traditional joining techniques

For more than 20 years, L&L has been supplying heat-activated adhesive tapes to replace and augment welding, brazing, and mechanical joining methods in automobile manufacturing. Ever since, we have used our expertise in adhesion technology to expand our range of solutions to other industries as well. We meet current market needs by offering structural adhesives with advanced properties in a variety of forms.

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Are you interested in our Bond Solutions? We look forward to a conversation!

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Bond
Solutions

Lightweighting initiatives often require the use of multi-material bonding across all industries. Our adhesive technologies are designed to create structural bonds and improve overall performance while at the same time help to prevent galvanic corrosion, improve durability, and improve worker safety and efficiency.

FST Ambient Curing Adhesives

About

Our FST compliant adhesives introduce a new approach to bonding sandwich panels in aerospace and rail applications. FST Ambient Curing Adhesives are epoxy-based and capable of multi-material bonding (metal, thermoplastics and composites).

Rheology and curing kinetics are optimized to increase the building rate and reduce cost. Designed for interior applications, L&L’s FST adhesives meet the latest FAA and EASA fire regulations (vertical burn, smoke density and toxicity).

Key Attributes

  • FST regulation compliant - FAR 25.853, ABD0031 for aerospace applications
  • Strong mechanical bonding
  • Can be used in a wide range of temperatures
  • Capable of multi-material bonding
  • Cures at room temperature and can be accelerated with heat
  • REACH compliant and does not contain carcinogenic mutagenic or reproduction toxic (CMR) substances

Benefits

  • Simplifies parts certification
  • Improves process efficiency
  • Reduces cost
  • Clean, safe, and eco-friendly

Applications

Aerospace

Aerospace

  • Insert bonding
  • Bracket bonding
  • Panel assembly
  • Cut and fold

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Pressure Sensitive Adhesives

About

Our Pressure Sensitive Adhesives are epoxy-based, high-expandable structural adhesives used to bond various substrates together and bridge varying design gaps. Pressure Sensitive Adhesives can be used to separate dissimilar substrates to help prevent galvanic corrosion from occurring. A permanent film is placed on top of the adhesives for easy handling and no high-cost tools are required for application.

Key Attributes

  • Expansion ranges up to 275%
  • Ability to bridge varying design gaps
  • Tacky in green state
  • Includes a permanent film on top

Benefits

  • No high-cost tools required for application
  • Adhesion to many types of substrates
  • Separates dissimilar substrates to help prevent galvanic corrosion from occurring
  • Easy handling

Applications

  • Roofs / Sunroofs
  • A, B, C, and D pillars
  • Lift Gates
  • Doors
  • Hoods
  • Decklids
  • Fender
  • Plenum
  • Wheelhouses

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Structural Adhesive Films

About

Our structural adhesive films bond substrates upon heat application. Structural adhesive films demonstrate properties such as high strength, rigidity, toughness and the ability to be stored at room temperature, eliminating the need for refrigeration.

In order to meet a long-existing industry need, L&L Products developed T-Link®, an advanced engineering thermoplastic adhesive hybrid resin that does not require refrigeration or special handling and can be easily and quickly consolidated into a composite structure.

In addition to film, T-Link® is available in other forms, including resin pellets, monofilament, multifilament, coated yarns, powder, fiber veil, and unidirectional composite/tape.

Want to learn more about T-Link®? Visit our T-Link Masterbrand page.

Key Attributes

  • High strength structural adhesive
  • Dry-to-touch adhesive film
  • No squeeze-out, wash-out, or wipe-off
  • Debonding / healing capability
  • Ideally suited to large surface bonding area

Benefits

  • Bonds dissimilar substrates
  • Increases durability & stiffness
  • Repairable / formable when thermoplastic
  • Does not require refrigeration
  • Reduces the layup and process time resulting in lower labor costs
  • Easy handling
  • Transparent, pigmentable, and recyclable

Applications

Armor Applications

Armor Applications

  • Headborne protection
  • Ballistic shield
  • Hard body armor insert
  • Vehicle armor
Sporting Goods

Sporting Goods

  • Transparent composite layering
  • Personal protection equipment
  • Equipment handles
Automotive and Commercial Vehicle

Automotive and Commercial Vehicle

  • Composite structure by compression molding
  • Bonding
  • Structural reinforcement
Aerospace

Aerospace

  • Enhance point load by structural reinforcement

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Structural Adhesive Tapes

About

In response to the need among many industries for lower weight combined with improved structural performance, we offer a wide range of tacky structural adhesives in tape form that are principally epoxy-based and heat-activated. Our adhesive tapes bond areas where there is limited weld accessibility, varying design gaps and requirements to join dissimilar substrates. When bonding dissimilar substrates, adhesive tapes can help manage coefficient of thermal expansion (∆CTE) differences while maintaining substrate separation to prevent galvanic corrosion.

Our structural tapes are applied to the substrate prior to the e-coat process. After the e-coat has been applied, our heat-activated structural adhesive tapes expand (in some cases) and cure.

All structural adhesive tapes are 0.5 – 3.0 mm, have a variety of expansion rates, and can be supplied in tape form or die-cut.

Key Attributes

  • High strength
  • High ductility
  • Pressure sensitive for temporary fixation prior to heat activation
  • Increases durability & stiffness
  • Gap jumping capabilities
  • Weld & manufacturing fastening alternative

Benefits

  • Solves galvanic corrosion
  • Bonds dissimilar metals
  • Bonds oily substrates

Applications

Automotive and Commercial Vehicle

Automotive and Commercial Vehicle

  • Liftgate
  • Doors
  • Sunroof
  • Rocker

More

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