# Material 50D6 (VMQ) — O-rings | Oringaero Source: https://oringaero.fr/en/matieres/50D6.html [All materials](https://oringaero.fr/en/matieres.html) / 50D6 VMQ # Material 50D6 Hot air, weathering, dielectric applications. ## Properties Family | VMQ | Standard | NF EN 2260 / NF L 17-250 | Nominal hardness | 60 Shore A | Measured IRHD hardness | 57 | Continuous service temperature | −55 to +225 °C | Short-term temperature | −55 to +260 °C | Storage group | IV | ## Your need in 50D6 Specify your drawing, quantities and service conditions. [Request a quote](https://oringaero.fr/en/devis.html?matiere=50D6) · [Download the data sheet (PDF)](https://oringaero.fr/fiches/Material_data_sheet_50D6_Oringaero.pdf)[Storage conditions →](https://oringaero.fr/en/normes.html#stockage) ## Properties measured at qualification Qualification tests of compound 50D6 to NF L 17-250, carried out by an independent test laboratory. “—”: measured value with no requirement in the standard. Property | Requirement | Measured **Initial state** Hardness IRHD (°) | 56-65 | 57 Hardness Shore A (points) | 60 | 54 Tensile strength (MPa) | ≥5 | 7.1 Elongation at break (%) | ≥180 | 362 Stress at 100 % elongation (MPa) | — | 1.9 Tear strength (kN/m) | ≥9 | 11 Density (Mg/m³) | ±0.02 between deliveries | 1.25 Colour | — | Red **Lubricant immersion — 70 h at 150 °C in IRM 901** Change in IRHD hardness (°) | -10 to 0 | -8 Max. change in tensile strength (%) | -20 | -8.5 Max. change in elongation at break (%) | -15 | -5.5 Change in volume (%) | 0 to +10 | 5.6 **Lubricant immersion — 70 h at 150 °C in fluid 101** Change in volume (%) | 0 to 35 | 29.0 **Heat ageing — 70 h at 225 °C in air** Change in IRHD hardness (°) | ±10 | 0 Max. change in tensile strength (%) | -20 | -16.9 Max. change in elongation at break (%) | -40 | -18.0 **Compression set** After 70 h at 150 °C in air (%) | ≤40 | 6.2 **Temperature retraction** Initial state — TR 10 (°C) | ≤-40 | -41.1 ## O-rings in this material in the catalogue 327 references · sorted by inside diameter. - [OA-50D6-1.5X1.5](https://oringaero.fr/en/produits/50d6-1-5x1-5.html)1.5 × 1.5 mm - [OA-50D6-1.78X1.02](https://oringaero.fr/en/produits/50d6-1-78x1-02.html)1.78 × 1.02 mm - [OA-50D6-2X1](https://oringaero.fr/en/produits/50d6-2x1.html)2 × 1 mm - [OA-50D6-2.5X1](https://oringaero.fr/en/produits/50d6-2-5x1.html)2.5 × 1 mm - [OA-50D6-2.6X1.9](https://oringaero.fr/en/produits/50d6-2-6x1-9.html)2.6 × 1.9 mm - [OA-50D6-2.9X1.78](https://oringaero.fr/en/produits/50d6-2-9x1-78.html)2.9 × 1.78 mm - [OA-50D6-3.4X1.3](https://oringaero.fr/en/produits/50d6-3-4x1-3.html)3.4 × 1.3 mm - [OA-50D6-3.4X1.9](https://oringaero.fr/en/produits/50d6-3-4x1-9.html)3.4 × 1.9 mm - [OA-50D6-4X1](https://oringaero.fr/en/produits/50d6-4x1.html)4 × 1 mm - [OA-50D6-4.2X1.9](https://oringaero.fr/en/produits/50d6-4-2x1-9.html)4.2 × 1.9 mm - [OA-50D6-4.5X1.3](https://oringaero.fr/en/produits/50d6-4-5x1-3.html)4.5 × 1.3 mm - [OA-50D6-4.9X1.9](https://oringaero.fr/en/produits/50d6-4-9x1-9.html)4.9 × 1.9 mm - [OA-50D6-5.7X1.9](https://oringaero.fr/en/produits/50d6-5-7x1-9.html)5.7 × 1.9 mm - [OA-50D6-5.9X1.5](https://oringaero.fr/en/produits/50d6-5-9x1-5.html)5.9 × 1.5 mm - [OA-50D6-6X1](https://oringaero.fr/en/produits/50d6-6x1.html)6 × 1 mm - [OA-50D6-6X1.5](https://oringaero.fr/en/produits/50d6-6x1-5.html)6 × 1.5 mm - [OA-50D6-6X1.9](https://oringaero.fr/en/produits/50d6-6x1-9.html)6 × 1.9 mm - [OA-50D6-6X2](https://oringaero.fr/en/produits/50d6-6x2.html)6 × 2 mm - [OA-50D6-6X4](https://oringaero.fr/en/produits/50d6-6x4.html)6 × 4 mm - [OA-50D6-6.07X1.78](https://oringaero.fr/en/produits/50d6-6-07x1-78.html)6.07 × 1.78 mm - [OA-50D6-6.4X1.9](https://oringaero.fr/en/produits/50d6-6-4x1-9.html)6.4 × 1.9 mm - [OA-50D6-6.5X2](https://oringaero.fr/en/produits/50d6-6-5x2.html)6.5 × 2 mm - [OA-50D6-6.7X1.8](https://oringaero.fr/en/produits/50d6-6-7x1-8.html)6.7 × 1.8 mm - [OA-50D6-7X2.5](https://oringaero.fr/en/produits/50d6-7x2-5.html)7 × 2.5 mm [View all 327 O-rings in 50D6 in the catalogue →](https://oringaero.fr/en/catalogue.html?mat=50D6) [All catalogue sizes in 50D6](https://oringaero.fr/en/catalogue/50d6-1.html)