All O-ring seal applications are categorized in terms of relative motion. In situations involving little or no motion relative to the seal, the O-ring application is STATIC. In situations involving reciprocating, rotating, or oscillating motion relative to the seal, the O-ring application is DYNAMIC.
For customers who require custom molded shapes and/or housing seals, Apple Rubber uses a go/no go gauge to better ensure that they're receiving quality parts that meet their dimensional requirements. Here's how it works.