Parker’s fluorosilicone (FVMQ) O-rings are very compatible with oils and gases.
Parker’s fluorosilicone (FVMQ) O-rings are very compatible with oils and gases.
0.029 to 25.94 inch
0.04 to 0.275 inch
Fluorosilicone (FVMQ)
>70, 75
-90 °F
350 °F
MIL/Aero, MIL-DTL-25988
North America
No
Blue
Low and high temperature (<-30°F, >250°F)
fuels/solvents
Parker’s fluorosilicone (FVMQ) contains trifluoropropyl groups next to the methyl groups. The mechanical and physical properties are very similar to VMQ. However, FVMQ offers improved fuel and mineral oil resistance but poor hot air resistance when compared with VMQ.
• Heat resistance
• Up to 177°C (350°F) max
• Cold flexibility
• Down to approximately -73°C (-100°F)
• Chemical resistance
• Aromatic mineral oils (IRM 903 oil)
• Fuels
• Low molecular weight aromatic hydrocarbons (benzene, toluene)
• MIL-DTL-25988, TY1, CL3, GR 75
*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.