Trifluoropropylmethylsiloxane

Trifluoropropylmethylsiloxane is a low-molecular-weight polymer characterized by terminal methyl groups and the presence of trifluoropropyl groups. This unique structure imparts remarkable properties, making it suitable for a wide range of applications. The incorporation of trifluoropropyl groups onto the silicon atoms bestows exceptional oil resistance, solvent resistance and chemical resistance, excellent lubrication, low surface tension, and a low refractive index. Additionally, this special silicone compound retains the broad temperature operating range typical of silicone oils. Its distinctive features also endow it with antioxidant and degradation-resistant capabilities, ensuring its durability and effectiveness in various applications.

Technical Index

Product Name	Trifluoropropylmethylsiloxane
Composition	Low molecular weight polymer of methyl-(3,3,3-trifluoropropyl)siloxane
CAS	63148-56-1
Catalog	OFC00100-1	OFC00100-2	OFC00100-3	OFC00100-4
Appearance	Colorless transparent or light yellow transparent liquid	Colorless transparent or light yellow transparent liquid	Colorless transparent or light yellow transparent liquid	Colorless transparent or light yellow transparent liquid
Flashing Point	≥260°C	≥270°C	≥300°C	≥310°C
Freezing Point	≤-47°C	≤-40°C	≤-31°C	≤-31°C
Viscosity at -18°C	5200 mm2/s	12000 mm2/s	20000 mm2/s	420000 mm2/s
Viscosity at 25°C	300 mm2/s	500 mm2/s	1000 mm2/s	10000 mm2/s
Viscosity at 100°C	27 mm2/s	36 mm2/s	69 mm2/s	670 mm2/s
Viscosity at 204°C	5.3 mm2/s	6.4 mm2/s	10.3 mm2/s	75 mm2/s
Working Temperature	-40~204°C	-40~204°C	-40~204°C	-40~204°C
Volatility (200°C/4hr)	<5%	<5%	<5%	<5%

Features

• Outstanding oil, solvent, and chemical resistance. Trifluoropropylmethylsiloxane exhibits exceptional resistance to various oils, solvents, and chemicals, making it suitable for demanding applications in diverse industrial environments.
• Low surface tension and refractive index. Trifluoropropylmethylsiloxane possesses a low surface tension, which enhances its ability to spread and wet surfaces effectively, along with a low refractive index that contributes to its transparency and optical clarity.
• Excellent antioxidant properties. This fluorosilicone oil is characterized by remarkable antioxidant capabilities, ensuring stability and longevity even under harsh conditions.
• Compatibility with various elastomers. This fluorosilicone oil demonstrates good compatibility with a wide range of elastomeric materials, allowing for versatile applications and integration into various formulations without compromising performance.
• Wide operating temperature range. Trifluoropropylmethylsiloxane maintains its effectiveness across a broad spectrum of temperatures, ensuring reliable performance in both extreme heat and cold environments.

Applications

Fluorosilicone oil trifluoropropylmethylsiloxane has a variety of applications, mainly including the following aspects:

• Base oil for grease and paste formulations. Trifluoropropylmethylsiloxane serves as a robust base oil in the formulation of greases and pastes, particularly where there is a critical need for exceptional corrosion resistance and compatibility with various solvents. This characteristic makes it ideal for applications in harsh environments where traditional lubricants may fail.
• Antifoaming agent in chemical and petroleum industries. In the chemical and petroleum sectors, trifluoropropylmethylsiloxane is employed as an effective antifoaming agent. Its unique properties help to reduce foam formation during processing, thereby enhancing the efficiency and safety of operations that involve volatile substances.
• Lubricating oil for vacuum pumps. This versatile fluorosilicone oil is utilized in vacuum pumps, offering reliable lubrication even when handling highly reactive gases. Its thermal stability and resistance to chemical interactions ensure optimal performance in demanding applications, contributing to the longevity and reliability of vacuum systems.