Parker’s 90 durometer fluorocarbon O-ring material V0709-90 A7259 has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately -26°C (-15°F) although certain compounds are suitable down to -46°C (-50°F). Under dynamic conditions, the lowest service temperature is between -15°C and -18°C (5°F and 0°F). Gas permeability is very low and similar to that of butyl rubber. Special FKM compounds exhibit an improved resistance to acids and fuels.
• Heat resistance
• Up to 204°C (400°F) and higher temperatures with shorter life expectancy
• Cold flexibility
• Down to -26°C (-15°F) (some to -46°C) (-50°F)
• Chemical resistance
• Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
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