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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Application story module

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There are 2 versions of the above - with and without accordion.

Applications

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Structural bonding adhesives

Durable structural assembly is vital to the functionality, lifetime, and aesthetics of consumer electronic devices, mandating that the various components and substrates by securely bonded.

Close Up Side View of Structural Bonding Beadline.
Surface coating solutions

The surface of a device or component needs to withhold long term usage from consumers. Therefore, specialized materials are applied to surfaces to enhance their performance, protect against corrosion, provide aesthetic finishes, or offer other desired properties.

Board-level encapsulants and underfills

Electronic device reliability requires materials to protect componentry from mechanical shock, thermal impact, and other environmental factors.

Clear encapsulant material over components on white printed circuit board.
Thermal management solutions

Smaller, denser electronic components create heat that can degrade their performance. Component-level thermal management helps to protect electronic devices.

Liqui Form Dot Dispensed on Component.

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Thermal GAP PAD® materials

Low-modulus, high-conductivity Bergquist® GAP PAD® materials provide excellent conformability and low-stress thermal performance for IC devices not requiring a larger heat sink attachment.

Thermally conductive adhesives

Bergquist® and LOCTITE® thermally conductive adhesives are designed to provide excellent heat dissipation for thermally sensitive components. They are available in self-shimming and non-self-shimming options to satisfy application-specific requirements and ease of use.

Thermal gels

One-part, liquid formable gel materials provide a balance between process flexibility, low component stress and high-reliability thermal performance. Dispensable for high-volume manufacturing, thermal gels are available in thermal conductivities up to 6.0 W/m-K, and provide a range of attributes including low volatility, high vertical gap stability, and reliability in challenging environments.

Phase change materials

Larger, high-performance Layer 1/Layer 2 ASIC and/FPGA devices must effectively dissipate heat for proper function. Bergquist® phase change materials are the optimal solution, providing a mess-free alternative to thermal grease.

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Rendered graphic of a line card with multiple heatsinks inserted over a transparent background.
Thermal GAP PAD® materials

Low-modulus, high-conductivity Bergquist® GAP PAD® materials provide excellent conformability and low-stress thermal performance for IC devices not requiring a larger heat sink attachment.

Thermally conductive adhesives

Bergquist® and LOCTITE® thermally conductive adhesives are designed to provide excellent heat dissipation for thermally sensitive components. They are available in self-shimming and non-self-shimming options to satisfy application-specific requirements and ease of use.

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Equipment Applications (2 sections)

Standard nuts & bolts / Through hole

Apply a liquid threadlocker onto the bolt and proposed tightened nut engagement area. Any excess threadlocker is pushed along with  the nut as it is tightened. The volume of threadlocker needed depends on the size of the fastener and engagement area. A few free-falling drops is a typical volume required for an M10 or 3/8" bolt. A minimal amount of threadlocker squeezing out from the nut and bearing surface interface indicates that a sufficient volume of product has been used to fill the clearance.

Blind Hole

Improperly applied threadlocker in a blind hole application can cause incomplete coverage of the engaged threads. For blind hole applications, drops of liquid threadlocker should be applied down the female threads into the bottom third of the hole or the bottom of the hole. Once the bolt threads become engaged with coated blind hole threads, the air will push threadlocker towards the exit of the hole, creating proper coverage. To ensure complete coverage, it is suggested that threadlocker also be applied to the threads where the threads of the nut and bolt are engaged.

Post Assembly

When a threaded assembly has already been assembled and torqued to the target clamp load, a wicking grade threadlocker can be used. This is particularly suitable for locking adjustment and/or set screws or for preventative maintenance on existing equipment. Product should be applied at the nut and bolt junction.

Overhead Application

For bolts in overhead applications, semi-solid threadlocker, such as LOCTITE 248, can be used for a cleaner application. To apply a semi-solid threadlocker, completely fill the root of the bolt threads at the engagement area. Any excess threadlocker is pushed along with the nut as it is tightened.

Programmable Logic Controller (PLC) with green Gap Pad material applied

Minimizing outgassing Concerns - Low volatility/Silicone-free Solutions

Some electronic devices require excellent heat dissipation for optimized function but have more sensitive components and/or processes. Minimization of outgassing is necessary to avoid interference with these areas with other components.

Outgassing residues can interfere with sensitive components and operational sensors, which could impact control functionality, visual appearance, or final parts assembly.

Although silicone-based TIMs provide superior thermal stability, silica dust generated from silicone outgassing has the potential to interfere with the movement of small parts and prevent operation. Low-volatile or silicone-free TIM material minimize the risk for concerns in applications with increased outgassing sensitivity.

Henkel's expert formulated low volatile silicones and silicone-free TIMs reduce concerns of contamination exposure and protects sensitive components from residue interference.

Resources

Equipment Applications (1 section)

Standard nuts & bolts / Through hole

Apply a liquid threadlocker onto the bolt and proposed tightened nut engagement area. Any excess threadlocker is pushed along with  the nut as it is tightened. The volume of threadlocker needed depends on the size of the fastener and engagement area. A few free-falling drops is a typical volume required for an M10 or 3/8" bolt. A minimal amount of threadlocker squeezing out from the nut and bearing surface interface indicates that a sufficient volume of product has been used to fill the clearance.

Blind Hole

Improperly applied threadlocker in a blind hole application can cause incomplete coverage of the engaged threads. For blind hole applications, drops of liquid threadlocker should be applied down the female threads into the bottom third of the hole or the bottom of the hole. Once the bolt threads become engaged with coated blind hole threads, the air will push threadlocker towards the exit of the hole, creating proper coverage. To ensure complete coverage, it is suggested that threadlocker also be applied to the threads where the threads of the nut and bolt are engaged.

Post Assembly

When a threaded assembly has already been assembled and torqued to the target clamp load, a wicking grade threadlocker can be used. This is particularly suitable for locking adjustment and/or set screws or for preventative maintenance on existing equipment. Product should be applied at the nut and bolt junction.

Overhead Application

For bolts in overhead applications, semi-solid threadlocker, such as LOCTITE 248, can be used for a cleaner application. To apply a semi-solid threadlocker, completely fill the root of the bolt threads at the engagement area. Any excess threadlocker is pushed along with the nut as it is tightened.

Programmable Logic Controller (PLC) with green Gap Pad material applied

Minimizing outgassing Concerns - Low volatility/Silicone-free Solutions

Some electronic devices require excellent heat dissipation for optimized function but have more sensitive components and/or processes. Minimization of outgassing is necessary to avoid interference with these areas with other components.

Outgassing residues can interfere with sensitive components and operational sensors, which could impact control functionality, visual appearance, or final parts assembly.

Although silicone-based TIMs provide superior thermal stability, silica dust generated from silicone outgassing has the potential to interfere with the movement of small parts and prevent operation. Low-volatile or silicone-free TIM material minimize the risk for concerns in applications with increased outgassing sensitivity.

Henkel's expert formulated low volatile silicones and silicone-free TIMs reduce concerns of contamination exposure and protects sensitive components from residue interference.

Resources

Equipment Applications (2 sections) - Accordion

Electric motors

Electric drive systems consist of the electric motor, transmission, and drive housing. 

Materials for electric motors help protect components from vibration, high temperatures, humidity, dust, and corrosion while allowing efficient manufacturing.

Electric transmissions

Electric drive systems consist of the electric motor, transmission, and drive housing. Electric transmissions require specific sealing and adhesive technologies to optimize vehicle performance while keeping out environmental contaminants.

Onboard chargers

Thermal management and high-voltage creep resistance are integral to EV power conversion across the onboard charger (OBC), inverter, and DC/DC converter. Onboard chargers must withstand harsh conditions and mechanical strain for reliable power conversion and environmental resistance.

Inverters

Optimal power conversion components are under increasing strain as EV driving range increases. Inverters must be engineered for shock and vibration stability, environmental suitability, and resistance to internal and external forces.

Battery modules

New battery designs are required to fuel the EV revolution. Battery cells range from cylindrical, pouch, or prismatic cells. To meet consumer concerns about price, safety, and range anxiety, batteries must provide reliable, safe operation and fast charging.

Battery packs

In the EV revolution, a lot rides on battery design and performance. Battery packs must help optimize the lifetime performance, safety, reliability and cost while seamlessly integrating into the vehicle body. 

Metal processing solutions

Applied upstream in the manufacturing process, metal processing solutions help ensure the creation of high-quality battery components, while enabling effective downstream processes, such as welding, bonding and painting.

Henkel has numerous OEM approvals for lubircants, cleaners and surface treatments that offer effective, efficient and sustainable metal processing capabilities.

Resources

Equipment Applications (1 section) - Accordion

Electric motors

Electric drive systems consist of the electric motor, transmission, and drive housing. 

Materials for electric motors help protect components from vibration, high temperatures, humidity, dust, and corrosion while allowing efficient manufacturing.

Electric transmissions

Electric drive systems consist of the electric motor, transmission, and drive housing. Electric transmissions require specific sealing and adhesive technologies to optimize vehicle performance while keeping out environmental contaminants.

Onboard chargers

Thermal management and high-voltage creep resistance are integral to EV power conversion across the onboard charger (OBC), inverter, and DC/DC converter. Onboard chargers must withstand harsh conditions and mechanical strain for reliable power conversion and environmental resistance.

Inverters

Optimal power conversion components are under increasing strain as EV driving range increases. Inverters must be engineered for shock and vibration stability, environmental suitability, and resistance to internal and external forces.

Battery modules

New battery designs are required to fuel the EV revolution. Battery cells range from cylindrical, pouch, or prismatic cells. To meet consumer concerns about price, safety, and range anxiety, batteries must provide reliable, safe operation and fast charging.

Battery packs

In the EV revolution, a lot rides on battery design and performance. Battery packs must help optimize the lifetime performance, safety, reliability and cost while seamlessly integrating into the vehicle body. 

Metal processing solutions

Applied upstream in the manufacturing process, metal processing solutions help ensure the creation of high-quality battery components, while enabling effective downstream processes, such as welding, bonding and painting.

Henkel has numerous OEM approvals for lubircants, cleaners and surface treatments that offer effective, efficient and sustainable metal processing capabilities.

Resources