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Henkel has introduced the Loctite Axle Corrosion Protection System to address the costly issue of axle corrosion on rolling stock. It comprises Loctite products including a base coat, sealant and paint system.

Loctite 7517 is a conversion coating that prevents corrosion as soon as it touches bare metal. It will protect the substrate for up to three days before additional coatings are applied.

To prevent corrosion on the axle transition radius and to reduce lifecycle costs, the Loctite system includes Terostat MS 939, a silane-modified polymer that is applied to fill the overhand gap.

The final product(s) in the Loctite Axle Corrosion Protection System are both polymer composites that protect the axle from problems caused by wear, abrasion, erosion, chemical attack and corrosion. Nordbak 7255 and 7226 can be applied by brush or sprayed and cure to form a tough, highly durable finish.

The Loctite Axle Corrosion Protection System has been tested in accordance with CR/PE 0102.

Products in detail

Loctite 7517

  • This has been developed from proven car industry pre-treatment products.
  • When used on new axles, the cleaning and degreasing efficiency of Loctite 7515 often removes the need for sandblasting to assure good adhesion.

Terostat MS 939

  • The structural bonding adhesive is suitable for use where an elastic bond is required between large bond surfaces.
  • It creates a friction-locked joint that can withstand dynamic loads. As stress is distributed evenly, material fatigue and failure is prevented.
  • The product cures by reaction to moisture to form an elastic material.
  • Skin formation and curing times are dependent on ambient humidity and temperature as well as joint depth.
  • It is particularly sag resistant, giving a high positioning tack.
  • It adheres well to many substrates without the need for a primer.
  • Good UV resistance makes the product particularly suitable for use on products exposed to all weathers.

Nordbak 7255 and 7226

  • These VOC-free ceramic-reinforced epoxies substantially extend the life of the axle and can also be used to restore the worn surfaces of old ones.
  • They create a sacrificial and renewable working surface, protecting the structural integrity of the original substrate.
  • They are easily applied on all surface sizes, do not introduce any heat stress and offer the extra benefit of further corrosion protection.

Henkel is the world market leader in state-of-the-art industrial adhesives, sealants and surface treatment products for a wide variety of engineering applications. Its leading brands for the industrial market are Loctite, Bonderite, Teroson, Aquence and Technomelt.

Strong customer focus, research and innovation, consistent quality and sustainable business practices have contributed to its record of success, as has continuous improvement in both its products and methods of manufacture.

The company applies its expertise to the entire value chain across the engineering sector. Whatever you build, manufacture, assemble or repair, its technical consultancy service will provide all the assistance and training you need to ensure you have the best product and the skill to apply to its best advantage.

Henkel brands are internationally renowned for their proven reliability and performance and the scope of the company’s product programme extends from cleaning and pre-treatment through to bonding, sealing, filling and protecting, coating and lubricating. 

Henkel is the only adhesive manufacturer to offer a comprehensive range of products that are hazard-label free. Its Loctite Health and Safety series is suitable for the lion’s share of engineering applications and includes thread lockers, thread sealants, gasketing adhesives, retaining compounds and instant adhesives.

As both the product and its method of application dictate the quality of process, Henkel also has considerable expertise in the supply of dedicated dispensing equipment that, if necessary, can be bespoke to the application. This equipment ensures the product is applied quickly, cleanly, accurately and economically.

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