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The Many Benefits of Choosing Structural Adhesives for Your Next Application (Part 1 of 2)

Posted By ASC, Wednesday, June 21, 2017

Manufacturers and engineers are increasingly choosing structural adhesives over other methods of fastening such as welding or rivets. Uptake of these high-tech materials has been widespread in the automotive and aerospace industries, and appliance manufacturers are beginning to adopt them more widely.

Structural adhesives are particularly useful when bonding dissimilar metals, when thermal cycling forms part of the product environment, and when corrosion risk must be avoided. In these instances, adhesives reduce the effect of differing thermal expansion rates and provide a barrier between metals that would corrode if they were in direct contact with one another. In addition, while water or chemicals can penetrate into areas secured by mechanical fasteners, adhesives seal the bond.

The benefits of lightweighting provide a further incentive for manufacturers to choose adhesives over traditional fasteners. Airlines realize substantial cost reductions and reduce emissions when weight is reduced, and car and boat manufacturers have followed suit for the same reasons. But it is not only end users who enjoy the benefits of reduced costs. Although specialized structural adhesives themselves may seem costly, they offer manufacturers a single solution that can be used in many different ways, reducing or eliminating the need for specialized fasteners and saving time in production lines.

The final appearance of the bonded components is also an issue. Welded seams require finishing, and traditional rivets, nuts and bolts spoil the clean lines most product designers and consumers prefer to see. Finally, structural adhesives improve product performance and durability since it is not necessary to drill holes through components, creating weakened areas that carry concentrated loads and are subject to corrosion.


Up next: How Structural Adhesives Save Manufacturers Time and Money


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