Gelest FMS-131

Chemical Family: Fluorosilicones

Gelest POLY(3,3,3-TRIFLUOROPROPYLMETHYLSILOXANE), 1,000 cSt (FMS-131) provides extreme pressure performance, fuel resistance, and good damping properties. This product is used in aerospace applications, bearings, and gears.

Properties

Physical Form: Liquid

Product families

Applications

Automotive & Transportation — Transportation

Aerospace & Aviation

Product Families

Ready-to-Use Products — Fluids & Lubricants

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
Aerospace Applications
Bearings
Gears
Markets: Automotive & Transportation
Technology: Ready-to-Use Products
Packaging Under: Nitrogen
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
250 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

11 rows

Characteristic	Value	Unit
Density	1.28	g/ml
Dielectric Constant	7.35	F/m
Dielectric Strength	200.0	V/m
Refractive Index (at 20°C)	1.382	—
Viscosity (at 25°C)	1000.0	cSt
Viscosity Temperature Coefficient	0.85	—
Pour Point	-40.0	°C
Specific Gravity	1.28	—
Surface Tension	26.1	mN/m
Flash Point	290.0	°C
Molecular Weight	4600.0	g/mol

Table 2 of 2

1 row

Characteristic	Value	Unit
Glass Transistion Temperature (Tg)	-74.0	°C