Specialist Chemicals, Solvents & Lubricants
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Phone: 01539 722247
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Fomblin AR555
Chemical resistant grease: -20°C to +250°C
Description • Instructions • Sizes, Prices & Offers Innovative Fomblin greases are the lubricant of choice when operating conditions are particularly severe due to high temperature or aggressive chemical environments. Key features • Thermally stable - properties do not change with temperature. • Resistant to water and all solvents (except highly fluorinated solvents). • Inert - do not react with fuels, acids, inorganic alkalis, halogens, fuming nitric acid or oxidizing solutions. • Compatible with all types of polymers, plastomers and elastomers. Current applications • Chemical plant bearings, conveyors and pumps subject to aggressive chemicals and heat. • Aircraft and sub-sea equipment, breathing apparatus, oxygen systems. • Dry cleaning industry, food manufacturers. Typical properties NLGI Class (ASTM D 217): 2 Penetration (ASTM D 217) (worked 60 strokes) @ 25 °C (mm/10): 290 Density (ASTM D 891) @ 20°C (g/cm3): 2 Kinematic viscosity (ASTM D445) of base oil @ 20°C (cSt): 1500 Kinematic viscosity (ASTM D445) of base oil @ 40°C (cSt): 420 Kinematic viscosity (ASTM D445) of base oil @ 100°C (cSt): 40 Viscosity index (ASTM D 2270) of base oil: 135 Weight loss (ASTM D 2595) @ 204°C, 22h (%): 1.2 Oil separation (FTMS 791-321) @ 204 °C, 30h (%): 7.2 Dropping point (ASTM D 566) (°C): 171 Four ball wear test (ASTM D 2266) @ 75 °C, 1h (mm): 1 Emcor test (DIN 51802): 1/2 Speedy factor (dm . N): 250,000 Continuous service temperatures range (°C): -20 to 250 For professional use only. The above information is given in good faith but without warranty and does not constitute a technical specification. For technical support and application guidance call 01539 722247. Technical specifications and certificates of conformity and analysis available on request.
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