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Foam Sealant

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November 17, 2016

Stress analysis is the art of assessing the strengths and weaknesses that propagate within a material or structure. It’s also a parameter that stands tall in the foam sealant industry, for a reliable seal is expected to withstand conflicting mechanical forces across all three planes of motion. This important feature is sought after when cylinders require a dependable adhering agent, but why should this be the case? More importantly, how well do polymer-infused sealants deal with stress analysis?

Curve Regulating Sealants

Mechanical fasteners close cylindrical plates and seal smaller circular surfaces with anchoring plates, but they’re naturally weak due to their point-to-point nature. Stress analysis procedures look at the diameter of the fastener rod and its head as a strength, but this strength is only evident at the point where they’re fitted. Adhesive tapes and foam sealants don’t subscribe to this limited binding model. They wrap uniformly around every circular surface, no matter the circumference of the part or its eccentric edges. Also, no drilled holes are required when glue is the anchoring agent.

Negating the Force Distribution Blues 

Again, small cylinders and unusual arcing profiles require individual solutions, but amorphous glues and semi-rigid tapes are not part of this working model. Consequently, the stresses incurred by a cylinder, no matter its curvature or tapering profile, will experience uniform absorption of outward kinetic energy. In short, radial mechanical stress is readily offset by a product that demonstrates full wraparound versatility. Arguably, a fastener of some kind could achieve much the same results, but the circular cylinder would likely warp as it accommodated the line of fasteners. A properly layered sealant does not cause warping or cylindrical deformations.

The Importance of Stress Analysis

Viscelastic substances are the optimal solution for smaller cylinders. Meanwhile, modern design practices are now advocating the use of adhesive tapes and other industrial-grade sealants, but their structure-supporting credentials still require a diligent supporting framework, which is where an intelligently organized stress analysis process enters the mix. Between surface measurements represent one end of this durability-assurance study, but the primary assessment point is conducted on the curving surface profile of the cylinder.

A balance is struck in this sealing scenario. First of all, adhesive glues and flexible tapes covered in tacky substrates make an excellent overall solution. They cover and bind, so deformities are easily minimized. Stress checks then form the crux of the balancing act, for they ensure the chemically-strengthened solution is just as viable as any mechanical answer.

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