WEST JORDAN, Utah — The American space program needed big rubber rings. The subcontractor that won the job was called HydraPak Seals – a Salt Lake City company that made seals for industrial equipment ...

For more than 60 years, engineers specifying seals and customers using them have accepted the arbitrary rule that the maximum amount O-rings will swell in most applications is a 25% change in volume.

Whether or not WD-40 will keep your chain’s O-rings happy or ruin them is one of the most controversial topics in motorcycle maintenance. Check any web forum and there’s bound to be a 30-page debate ...

The first step links quite closely to the design stage for these plates. Choosing the size and material for your O-ring is a vital step, as it will determine the methods required further down the line ...

O-rings and guide rings are both used on hydraulic cylinders, but they handle different tasks. O-rings are often the first choice for engineers because of their flexibility and performance in static ...