# Material 60C9 (FPM / FKM) — O-rings | Oringaero Source: https://oringaero.fr/en/matieres/60C9.html [All materials](https://oringaero.fr/en/matieres.html) / 60C9 FPM / FKM # Material 60C9 Oils and fuels; high nominal hardness. ## Properties Family | FPM / FKM | Standard | NF L 17-260 | Nominal hardness | 90 Shore A | Measured IRHD hardness | 91 | Continuous service temperature | −20 to +200 °C | Short-term temperature | −20 to +260 °C | Storage group | V | ## Your need in 60C9 Specify your drawing, quantities and service conditions. [Request a quote](https://oringaero.fr/en/devis.html?matiere=60C9) · [Download the data sheet (PDF)](https://oringaero.fr/fiches/Material_data_sheet_60C9_Oringaero.pdf)[Storage conditions →](https://oringaero.fr/en/normes.html#stockage) ## Properties measured at qualification Qualification tests of compound 60C9 to NF L 17-260, carried out by an independent test laboratory. “—”: measured value with no requirement in the standard. Property | Requirement | Measured **Initial state** Hardness IRHD (°) | 86 to 95 | 91 Hardness Shore A (points) | 90±5 | 92 Tensile strength (MPa) | ≥13 | 17.7 Elongation at maximum force (%) | ≥100 | 138 Modulus at 100 % (MPa) | — | 13.1 Tear strength (kN/m) | — | 31 Density (Mg/m³) | ±0.03 between deliveries | 1.85 **Fuel immersion — 70 h at 23 °C in solvent B** Change in IRHD hardness (°) | -5 to 5 | -1 Max. change in tensile strength (%) | -20 | -4.0 Max. change in elongation (%) | -15 | 6.5 Change in volume (%) | 0 to 5 | 1.5 **Lubricant immersion — 70 h at 200 °C in fluid 101** Change in IRHD hardness (°) | -10 to 5 | -9 Max. change in tensile strength (%) | -30 | -7.9 Max. change in elongation (%) | -15 | 4.3 Change in volume (%) | 0 to 15 | 11.1 **Heat ageing — 70 h at 250 °C in air** Change in IRHD hardness (°) | 0 to 10 | 1 Max. change in tensile strength (%) | -35 | -17.5 Max. change in elongation (%) | -35 | -6.5 Max. change in mass (%) | -5 | -2.1 **Compression set** After 70 h at 200 °C in air (%) | ≤35 | 26.3 **Temperature retraction (TR 10)** Initial state (°C) | ≤-14 | -17.4 ## O-rings in this material in the catalogue 10 references · sorted by inside diameter. - [OA-60C9-7.65X1.78](https://oringaero.fr/en/produits/60c9-7-65x1-78.html)7.65 × 1.78 mm - [OA-60C9-14X1.78](https://oringaero.fr/en/produits/60c9-14x1-78.html)14 × 1.78 mm - [OA-60C9-16X2](https://oringaero.fr/en/produits/60c9-16x2.html)16 × 2 mm - [OA-60C9-23X3.6](https://oringaero.fr/en/produits/60c9-23x3-6.html)23 × 3.6 mm - [OA-60C9-23.47X2.95](https://oringaero.fr/en/produits/60c9-23-47x2-95.html)23.47 × 2.95 mm - [OA-60C9-27.8X3.6](https://oringaero.fr/en/produits/60c9-27-8x3-6.html)27.8 × 3.6 mm - [OA-60C9-30X2.5](https://oringaero.fr/en/produits/60c9-30x2-5.html)30 × 2.5 mm - [OA-60C9-36X3](https://oringaero.fr/en/produits/60c9-36x3.html)36 × 3 mm - [OA-60C9-45.69X2.62](https://oringaero.fr/en/produits/60c9-45-69x2-62.html)45.69 × 2.62 mm - [OA-60C9-47X2](https://oringaero.fr/en/produits/60c9-47x2.html)47 × 2 mm [Open the catalogue filtered on 60C9 →](https://oringaero.fr/en/catalogue.html?mat=60C9) [All catalogue sizes in 60C9](https://oringaero.fr/en/catalogue/60c9-1.html)