Gelest FMS-221
- Chemical Family
- Fluorosilicones
Gelest (48-52% TRIFLUOROPROPYLMETHYLSILOXANE) (48-52% DIMETHYLSILOXANE) COPOLYMER, 80-120 cSt (FMS-221) provides extreme pressure performance, fuel resistance, and good damping properties. This product is used in aerospace applications, bearings, gears, and optical applications.
Properties
- Physical Form
- Liquid
Product families
Applications
- Aerospace & Aviation
Product Families
- Greases
- Heat Transfer Fluids
- Lubricants & Oils
Other characteristics
- Features
Extreme Pressure Performance, Fuel Resistant, Good Damping, High Density
- Product Type
- Grease, Heat Transfer Fluid, Lubricant
- Grease
- Heat Transfer Fluid
- Lubricant
- Application Area
Aerospace Applications, Bearings, Gears, Optical Applications; Aerospace Applications; Bearings; Gears; Optical Applications
- Markets
- Automotive & Transportation
- Technology
- Ready-to-Use Products
- Technical Details
Many advantages of fluorocarbons and silicones are combined in fluorosilicones. The materials are useful from -40° to 230°C in a wide range of aggressive service environments. They have achieved a number of unique applications due to their chemical and solvent resistance to lubricity. For more information please refer to Gelest Silicone Fluids: Stable, Inert Media Brochure.
- Standard Packaging
- 100 g
- 1 kg
- 10 kg
- Chemical Inventories
- TSCA (USA)
- Ready to Use Product Features
- Extreme Pressure Performance
- Fuel Resistant
- Good Damping
- High Density
Technical data
Table 1 of 2
7 rows| Characteristic | Value | Unit |
|---|---|---|
| Molecular Weight | 1800.0 | g/mol |
| Density | 1.16 | g/ml |
| Refractive Index (at 20°C) | 1.387 | — |
| Viscosity (at 25°C) | 80 - 120 | cSt |
| Pour Point | -55.0 | °C |
| Specific Gravity | 1.16 | — |
| Surface Tension | 21.4 | mN/m |
Table 2 of 2
1 row| Characteristic | Value | Unit |
|---|---|---|
| Glass Transistion Temperature (Tg) | -103.0 | °C |
