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Silico® Vinyl Silicone Oils

Vinyl Silicone Oils, or vinyl-terminated polydimethylsiloxanes (Vi-PDMS), are reactive silicone polymers with terminal vinyl groups. These fluids are widely used in addition-cure silicone systems such as LSR (liquid silicone rubber), HTV (high-temperature vulcanized) rubbers, and RTV (room-temperature vulcanizing) adhesives and sealants.

Key Features:

Vinyl groups enable efficient hydrosilylation crosslinking, suitable for heat or UV curing.
Excellent thermal stability, low volatility, and compatibility with a wide range of resins and fillers.
Available in various viscosities for customized formulation needs.

Applications:

Base polymer in silicone elastomers for automotive, electronics, healthcare, and industrial applications.
Used in silicone gels, sealants, coatings, and encapsulants.
Functional additive in resins to improve flexibility, weather resistance, and durability.

Vinyl Silicone Fluids offer high reactivity and reliable performance, making them ideal for advanced silicone formulations across multiple industries.

Recommended Vinyl Silicone Oils

Silico® PV401 Phenyl Vinyl Silicone Oil

Silico® PV401 (CAS 67762-94-1) is a phenyl vinyl silicone oil used for liquid silicone rubber. It offers high/low-temperature resistance, radiation resistance, good light transmission, UV resistance, and no yellowing.

Silico® V401 Vinyl Silicone Oil (Linear Type)

Silico® V401 (CAS 68083-19-2) is a linear vinyl silicone oil with excellent reactivity, compatibility with organic materials, and superior properties like smoothness, softness, and temperature resistance.

Silico® V402 Vinyl Silicone Oil

Silico® V402 (CAS 68083-19-2) is a vinyl-functionalized polydimethylsiloxane with high reactivity. It offers smoothness, softness, and weather resistance, ideal for reactions with hydrogen silicone oils or other processes.

Silico® V411 Vinyl Silicone Oil (Branched Type)

Silico® V411(CAS 63148-57-2) is a branched vinyl silicone oil with excellent reactivity and compatibility with organic materials, offering smoothness, softness, and temperature resistance.

Silico® V421 Vinyl Silicone Oil (Linear and Branched Type)

Silico® V421 (CAS 68083-19-2) is a vinyl silicone oil with both linear and branched structures, offering excellent reactivity, smoothness, and compatibility with organic materials.

Silico® V4011 Vinyl Silicone Oil Emulsion

Silico® V4011 is a vinyl silicone oil emulsion with excellent reactivity, smoothness, and compatibility with organic materials. It features high performance in various chemical reactions.

Silico®-PV511 Vinyl-Terminated Polydimethylsiloxane

Silico®-PV511 Vinyl-Terminated Polydimethylsiloxane (Vi-PDMS, CAS 63148-57-2) is used in addition-cured LSR, electronics, and LED packaging. It offers excellent heat resistance and mechanical properties.

Silico® PV 501 Vinyl-Terminated Polymethylvinylsiloxane Fluid

Silico®-PV501(CAS 68083-19-2 VPMVS) is a vinyl-terminated polymethylvinylsiloxane fluid ideal for addition-curing silicone rubber, electronic potting, adhesives, and high-performance elastomers.

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How to Choose Vinyl Silicone Oil？

When selecting vinyl silicone oil for your application, consider the following key factors to ensure optimal performance:

Viscosity: Choose based on your application—low viscosity for spreading and high viscosity for lubrication.
Vinyl Content: Adjust for desired reactivity, as the vinyl group enhances crosslinking and curing.
Temperature Stability: Ensure the oil can handle the required temperature range for your application.
Chemical Compatibility: Ensure the oil is compatible with other chemicals in your environment.
Application Type: Match the oil to your specific use, such as in silicone rubber, adhesives, or coatings.

These factors will help you select the right vinyl silicone oil for your needs.