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Basic details and features:

Henkel’s structural adhesives based on SMP or modified silane technology are elastic sealants and adhesives under the flagship of the Teroson brand. They are highly capable of compensating for different kinds of dynamic stresses. Cure SMP products are defined by their high elongation and medium strength levels. Available in 1-component systems, these are easy to apply at room temperature and can even be applied at lower temperatures (5 to 10oC)

  • Flexible bonding and sealing
  • Room temperature curing
  • Good gap fill
  • Excellent primerless adhesion to most substrates
  • High and low temperature resistance (-50o to +100oC)
  • UV and weather resistant
  • Paintable
  • Fire retardant grades available
  • Good chemical resistance
  • Odorless before and after curing

Talk to our expert for first-hand information for achieving reliable results with LOCTITE Structural Bonding solutions.

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Learn how LOCTITE Structural Bonding solutions can help you in achieving reliable results with maximum strength.

Download Design Guide
How the technology works

1-component SMP products cure in the presence of humidity to a cross linked polymer. Curing needs approx. 24 hours at 23oC/50% relative humidity. Depth of cure slows down as the days pass by. Cure the product completely in 7-14 days before starting an ageing test. Speed up the curing by increasing the humidity and the temperature.

Popular Applications
  • Bonding and sealing of metal panels on metal frames as in cabinets, antennas, special purpose machinery, elevator door jambs, tables, etc.

  • Sealing exterior cabinets/enclosures of machine tools against coolant leaks or seal window gaskets against rusting

  • Bonding and sealing of side wall panels and roof elements for containers, trucks, railway carriages and recreational vehicles and metal profiles to the backside of solar photovoltaic modules

  • Bonding of solar roof tile and solar modules

Case Studies

Increasing the reliability of your assemblies

A light maker used LOCTITE to bond a glass lens to the aluminium body in new LED bulbs and meet the IP67 ingress protection rating for dust and water.

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Eliminating leakage issues in the final product

An electrical cabinet manufacturer in India used LOCTITE to replace leaking window gaskets that allowed corrosion to streak the paint finish.

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Reducing warranty claims against your assemblies

A water-tight telescopic cover manufacturer reduced warranty claims by using LOCTITE instead of spot welding.

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Eliminating leak paths to increase product reliability

A CNC machine manufacturer used LOCTITE to replace leaking window gaskets that permitted coolant leaks and allowed rust to streak the paint finish on the metal doors.

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Reducing warranty claims with better sealing solution

A tractor-trailer manufacturer used LOCTITE to cover the rivet holes that allowed moisture to damage the carried goods.

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Increasing productivity with better bonding solution

An elevator manufacturer used LOCTITE in place of double-sided tapes for attaching stiffeners to elevator car panels and accelerated the production process.

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Available Technologies
Depending on the field of application, various adhesive technologies with specific product properties are available for structural bonding. Selection of the best-suited technology for your application depends on shear strength and flexibility (elongation).

Epoxies

Acrylics

Polyurethanes

Hybirds

Featured Insights
Help & Support

Looking to improve the reliability of your assemblies?

Learn how LOCTITE Structural Bonding solutions can help you in achieving reliable results with maximum strength.

Looking for professional advice?

Talk to our expert for first-hand information for achieving reliable results with LOCTITE Structural Bonding solutions.

frequently asked questions
Here's list of queries with responses that might help you.

We have been using welding for our structural requirement. Will structural adhesives be able to achieve the right strength?

LOCTITE structural adhesives have been proven to be able to take almost as much load as overlap welding and that too at only half the cost. LOCTITE adhesive also offer other advantages like making the process simple, and providing sealing along with bonding.

We use adhesive tapes. It is not messy. Wouldn’t using LOCTITE adhesives increase the process time and cost?

While double sided adhesive tapes are not messy, their application process is definitely very long and complicated – what with the need to cut to specific dimensions and expensive activators. LOCTITE adhesives are mostly applied through static mixers that ensures precise application without any mess.

We are using polypropylene and we have tried to use multiple methods and adhesives before, but they didn’t work. Which LOCTITE adhesives would be suitable?

There are many suitable LOCTITE structural adhesives based on acrylic, epoxy, modified silane and hybrid technologies that would be ideal for bonding polypropylene. Drop a query to our LOCTITE experts with the specifics of the application requirement and they will be able to recommend the right solution.

Replacing rivets is out of question – if we use adhesives, it will take longer to bond but with rivets we would be able to assemble instantly.

Rivets offer the advantage of instant assembly, however result into concerns of reliability because of uneven stress concentrate points that become fatigue and failure points and also lead to corrosion. Instead, LOCTITE structural adhesives offer better reliability and come in various cure types which can be further accelerated with the help of activators.

Can LOCTITE products withstand loads under extreme humidity and temperature conditions?

Yes, LOCTITE structural adhesives have been designed to withstand heavy loads under various ambient conditions. Especially, LOCTITE structural adhesives based on modified silane technology which cure in the presence of humidity, are excellent for outside applications where high temperature, UV resistance etc. features are preferred.

Which LOCTITE structural adhesives can bond rubber to metal?

LOCTITE structural adhesives based on acrylic, epoxy, modified silane technology and hybrids are excellent for bonding rubber to metal. Drop a query to our LOCTITE experts with the specifics of the application requirement and they will be able to recommend the right solution.

Is it possible to bond glass to glass or glass to metal with LOCTITE adhesives?

Yes, bonding dissimilar substrates like glass to metal or even glass to glass is possible with LOCTITE adhesives. If optical clarity and aesthetics is a must, choose clear epoxies like LOCTITE E-30 CL. Otherwise LOCTITE acrylics are also a great choice for bonding glass to metal or glass to glass. Prefer modified silanes if glass has to be fixed to a metallic frame. Drop a query to our LOCTITE experts with the specifics of the application requirement and they will be able to recommend the right solution.

Is any surface preparation needed before applying LOCTITE structural adhesives?

Removal of dirt, dust or other surface impurities from the surfaces to be bonded is important before adhesive application as they can interfere with the effectiveness of the bond strength. This can be achieved through either degreasing or abrasion. Chemical treatments like primers, corona discharge, flame and plasma treatments can also be used to modify the surface properties to further enhance bond strength.

What is meant by open time/working time/pot life of an adhesive?

Open time is the time within which parts should be assembled post application of the adhesive to ensure proper surface wetting and achieve maximum strength.

What does on part life of adhesive signify?

This term is relevant for adhesives where activator is used on one of the parts. On-part life is the time within which activator or primer provides full performance.

What is the difference between fixture time and full cure time?

Fixture time of an adhesive is the time needed to achieve enough strength to hold the parts together without additional support or to achieve lap shear strength of 0.1 N/mm2 whereas full cure time of an adhesive is the time needed to achieve full performance.

What is a hybrid adhesive?

Combination of two different adhesive technologies, which are normally stand-alone technologies and at the outset cannot be manually mixed. A Hybrid combines the positive attributes of both technologies which provides new performance parameter. LOCTITE Hybrid adhesives combine the speed of cyanoacrylates (commonly known as instant adhesives) with the strength of epoxies/acrylates to give universal that can bond anything in seconds providing high strength.

For Queries and More Details,

Working hours: Monday to Friday, 9 AM to 5:30 PM (except public holidays)

Email - customer.enquiries@henkel.com

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