Product category:
Adhesives, threadlockers and other consumables
News Release from: Henkel Loctite Adhesives | Subject: Stick-based products
Edited by the Engineeringtalk Editorial
Team on 03 December 2003
Maintenance adhesives stick to handy
packaging
Any move which reduces the weight of the toolbox carried around by maintenance engineers has to be a good thing.
Any move which reduces the weight of the toolbox carried around by maintenance engineers has to be a good thing One way to accomplish this is to discard some of the items - but that might mean the right product not being on hand when it is needed
This article was originally published on Engineeringtalk on 6 Mar 2001 at 8.00am (UK)
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The other method is to reduce the size of the products normally kept in the box to a handy, more carrying-friendly size.
Henkel Loctite has decided to opt for the latter solution and, as a result, has developed a range of innovative products that are based on the popular glue stick design.
"The range currently consists of two threadlockers, a pipe sealant and two anti-seize products", says Colin Chapman, Marketing Manager at Henkel Loctite.
"They are smaller in size than the traditional packaging but, of course, retain the same strength and other qualities of the original products.
It is simply a case of twisting the base of the container and applying the product to the surface in question".
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Alongside size and weight considerations, there is another major benefit in using sticks.
The adhesive can be pre-applied to threads shortly before use and, because of its thick consistency, will remain in place until the components that are to be joined are brought together.
Chapman says: "This means, for example, that an engineer who needs to work on a ladder for his maintenance tasks can confidently apply the adhesive at ground level.
This avoids the need to carry an adhesive container up the ladder and eliminates the risk of spillage".
The first product in the range is Loctite 248, a medium strength anaerobic threadlocker that can be used on all types of metal fasteners with thread sizes up to M36.
It is particularly useful where the parts have to be disassembled with hand tools in readiness for future servicing or where surfaces are contaminated with oil.
It reaches functional strength in just two hours and will simultaneously lock and seal bolts, nuts and studs in order to prevent loosening caused by vibration.
The other threadlocker is a high strength adhesive labelled as Loctite 268.
This can be used on all metals including stainless steels and those with protective coatings such as zinc.
Functional strength is achieved in six hours.
"Anaerobic threadlocking products and sealants function when air is removed from the mating surfaces of a metal thread or joint", explains Chapman.
"This exclusion of air is achieved by the action of bringing together the two surfaces.
The liquid automatically hardens and fills all the inner spaces between the threads to produce a solid plastic of a known strength".
Both threadlocker sticks are available on 10 and 19g packs.
Loctite 561 is a general-purpose anaerobic pipe sealant.
It is recommended for all coarse metal threads and has an instant low-pressure seal.
This sealant is especially suitable for fast applications at low temperature - for example, where outdoor plant maintenance is involved.
At the other end of the temperature scale, it has a resistance of +150C.
Loctite 561 comes in a 19g pack.
The two antiseize products are Loctite 8065, the copper antiseize stick (incorporating copper and graphite lubricating agents) and Loctite 8060 silver grade antiseize stick (with an aluminium, copper and graphite base).
Both products, which can be used by original equipment manufacturers and maintenance engineers, have been designed to permit the easy assembly and, just as important, the disassembly of mated parts such as screws, studs, bolts, nuts, pipe joints, fittings, gaskets, lathe ways, shafts, bushes, pumps, chains and cables.
Typical applications include crane assemblies, ovens, power plants, cylinder head and exhaust manifold studs, coal crushers, high temperature compressors, pump housings, heat exchangers and autoclaves.
"They are cleaner to use than conventional antiseize pastes and because their consistency does not cause separation, the sticks are ideal for overhead applications where other products might drip", reports Chapman.
He concludes: "The development of these stick-based products represents a major step forward in industrial adhesive technology and will be welcomed by engineers in a wide variety of industries".
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