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Swiss company Perlen Papier uses a PM7 machine for the production of newsprint. This large, modern machine is rated to convert recycled paper and primary fibres into 360,000 tonnes of newsprint per year at a speed of 1,900m/min. A range of LOCTITE products from Henkel are playing their part in ensuring the PM7 operates reliably 365 days a year.

A short window of time — just a few hours — is allocated each month for maintenance. The inner workings of the PM7 comprise many hundreds of rollers, cylinders, pumps, drives, pipes and valves and Henkel LOCTITE is the brand on which Perlen Papier relies for cleaning, bonding, sealing and lubricating these vital components.

Moist cellulose is sprayed onto rollers of the PM7 as part of the paper production process and it is essential that this, as well as surplus hydraulic oil, is effectively removed so the LOCTITE anaerobic adhesives can achieve the best possible bond and seal. For this purpose, the maintenance team uses LOCTITE SF 7063 to ensure there are no contaminants to impede the efficiency of the processes.

The nature of the PM7’s job means its components are subject to constant vibration. It is therefore important to ensure that threaded assemblies do not shake lose. Henkel’s LOCTITE 243 medium-strength product tolerates slight contamination of industrial oil and is formulated to allow part disassembly with hand tools for servicing.

For the sealing of flanges — the cover of a large vacuum blower, for example — LOCTITE SI 5980 is the product of choice as it fills all surface irregularities and gaps to achieve the best possible bond.

Given the hot and damp environment, it is also essential that assemblies are protected against corrosion and fretting; for this purpose, LOCTITE LB 8150 Anti-Seize is extensively used.

Key benefits of product application

  • LOCTITE SF 7063 enables the maintenance team at Perlen Papier to ensure there are no contaminants to impede the efficiency of the processes.
  • LOCTITE 243 is designed to tolerate slight contamination of industrial oil and is formulated to allow part disassembly with hand tools for servicing.
  • LOCTITE SI 5980 fills all surface irregularities and gaps to achieve the best possible bond. This black, alkoxy silicone was chosen by the maintenance team for its good oil resistance.
  • LOCTITE LB 8150 Anti-Seize contains aluminium, graphite and extreme-pressure additives to provide lubrication at high temperatures and operating speeds.
  • It is important that all parts of the machine are working optimally to achieve the fine balance between productivity and performance. The efficiency of the LOCTITE maintenance products is essential to the mix and also to ensuring PM7 remains reliable over its anticipated 40-year life span.

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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