O-ring calculator
Calculate O-ring squeeze, stretch and gland fill.
MATEMATICA
Compare common media with NBR, FKM, EPDM, HNBR, CR and silicone.
Candidate materials
Risultato di esempio · Adatta i dati al tuo caso
Indicative. Confirm formulation, concentration, temperature and pressure with a data sheet or test.
| Elastomer | Guidance |
|---|---|
| NBR | Limitado |
| FKM | Limitado |
| EPDM | Recomendable |
| HNBR | Limitado |
| CR | Recomendable |
| VMQ | Recomendable |
COME FUNZIONA
Shows a reference matrix to shortlist material candidates and flags when a data sheet or test is needed.
compatibility = medium family x elastomer; temperature changes the confidenceIndicative only: actual formulation, concentration, pressure, cycles and temperature can change the result. It is not an approval for use.
For mineral oil, NBR and FKM are common starting candidates; always confirm formulation and temperature.
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Formula visibile · Aggiornato l’8 settembre 2026