O-Ring Compression Ratio Selection Guide
# O-Ring Compression Ratio Selection Guide
## Static Applications
Target 18β25% compression depending on pressure and temperature; account for thermal expansion.
## Dynamic Applications
Use 10β18% compression to limit friction and wear; provide lubrication and surface finish control.
## Calculation Method
Show formulas for compression, squeeze, and gland fill; highlight ISO 3601 tolerances.
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