Extrusion
O-Ring Failure Analysis: Modes & How to Design Them Out
The common O-Ring failure modes, what causes each one, and the design choices that prevent them before they start.
O-Ring Failure Mode Gallery: Picture, Cause, Fix
Every common O-Ring failure mode with a diagram, the root cause, and the fix: extrusion, compression set, swell, heat cracking, explosive decompression, abrasion, spiral failure, installation damage, and ozone cracking.
Shore A Hardness (Durometer) for O-Rings
O-Ring Shore A durometer explained: what 70 and 90 duro mean, feel references, extrusion gap limits, and how to pick hardness for pressure and surface finish.
