Vinyl ethyl silicone oil (IOTA 20566) is a high-performance organosilicon material characterized by its unique molecular structure, which incorporates both vinyl and ethyl functional groups. This distinctive chemical composition combines reactivity with stability, making it a highly versatile material suited for a wide range of industrial applications, including plastics, rubber, textiles, electronics, and cosmetics.

Physical and Chemical Properties

• CAS No.: 26710-23-6

• Appearance: Colorless to light yellow transparent liquid

• Viscosity: 250–5000 mPa·s (25°C)

• Density: 0.89–1.05 g/cm³

• Pour Point: Below -70°C

• Vinyl Content: 0.1%–3% (customizable)

• Flash Point: Above 180°C (open cup)

The material exhibits excellent thermal stability, low-temperature fluidity, and chemical inertness. It is soluble in common organic solvents such as toluene, ether, and chloroform.

Key Application Areas

1. Rubber and Plastics Industry
   Used as a release agent to prevent adhesion between molds and products, it improves production efficiency and surface quality. It also serves as a stiffening agent for silicone rubber and a diluent before vulcanization, enhancing processing and mechanical properties.

2. Electronics and Electrical Engineering
   Ideal for encapsulating electronic components, thermal conductive gels, and sealing materials due to its outstanding resistance to high and low temperatures. It provides reliable protection for sensitive components in demanding environments.

3. Silicon-Hydride Addition Reactions
   The vinyl groups allow the material to participate in silicon-hydride addition reactions, making it a key intermediate in the synthesis of specialized silicone compounds.

4. Lubricants and Hydraulic Fluids
   Its exceptional thermal stability and lubricating properties make it suitable for high-temperature lubricants and hydraulic fluids in extreme operating conditions.

5. Cosmetics and Textiles
   In cosmetics, it acts as an emollient and film-forming agent, improving texture and longevity. In textiles, it is used as a water repellent and softening agent to enhance fabric hand feel and functionality.

Advantages and Future Prospects

Vinyl ethyl silicone oil IOTA 20566 stands out for its balanced reactivity and stability, offering broad compatibility and customization. As industries continue to advance—especially in renewables, biomedical devices, and aerospace—the demand for high-performance silicone materials is expected to grow. This product is well-positioned to meet these evolving needs, driving innovation and enabling new applications across sectors.

In summary, Vinyl Ethyl Silicone Oil IOTA 20566 is not only a multifunctional industrial material but also a critical enabler of technological progress, demonstrating the impactful role of advanced silicones in modern manufacturing and beyond.