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CAS 63148-62-9 olydimethylsiloxane

Ultra-High Viscosity B 1,000,000 - 2,500,000 cst PDMS

The Silico® UHV-b Series is a range of ultra-high viscosity PDMS silicone fluids designed for demanding industrial applications. These premium oils offer excellent thermal stability, chemical resistance, and viscoelastic damping, making them ideal for precision lubrication, vibration control, and dielectric insulation.

Introduction

The Silico® UHV-b Series features ultra-high viscosity polydimethylsiloxane (PDMS) silicone oils with viscosities ranging from 1,000,000 cSt to 2,500,000 cSt. These ultra-high molecular weight fluids are specially engineered to deliver exceptional thermal stability, low volatility, superior dielectric strength, and excellent viscoelastic damping properties.

Formulated for high-performance applications, UHV-b Series silicone fluids maintain consistent behavior across wide temperature ranges, resist oxidation, and remain chemically inert. They are ideal for precision lubrication, vibration control, electrical insulation, and heat management in industrial manufacturing, automotive systems, electronic devices, and advanced personal care products.

With their unmatched stability and functional versatility, Silico® UHV-b fluids meet the rigorous demands of modern engineering and high-tech formulations.

Typical Physical Properties

Technical Parameter MF2010-1,000,000 MF2010-2,500,000
Kinematic Viscosity (cSt at 25°C) 1,000,000 2,500,000
Flash Point (°C) >300
Freezing Point (°C) -40 Not specified
Specific Gravity (25°C) 0.976 Not specified
Surface Tension (mN/m) 21.5 Not specified
Refractive Index (25°C) 1.404 Not specified
Appearance Colorless, transparent
CAS Number 63148-62-9
Recommended Applications Industrial damping fluids, high-temperature lubricants, dielectric fluids Specialized damping agents, high-viscosity lubricants

Key Features and Benefits

  • Ultra-High Viscosity Silicone Fluids: Designed to deliver superior performance with viscosities ranging from 1 million to 2.5 million cSt, enabling enhanced energy dissipation and mechanical damping.

  • Excellent Thermal Stability: Stable at temperatures exceeding 300°C, ensuring consistent properties under harsh thermal conditions.

  • Chemical Inertness: Resistant to oxidation, hydrolysis, and chemical degradation, making these fluids suitable for aggressive industrial environments.

  • Outstanding Dielectric Properties: Low electrical conductivity and high insulating performance, ideal for use in electrical and electronic applications.

  • Wide Operating Temperature Range: Functional in subzero environments down to -40°C (for MF2010-1000000), expanding usability across diverse conditions.

  • Clear and Colorless Appearance: Purity ensures minimal interference in optical and precision instrumentation.

Typical Industrial Applications

  • Vibration Damping and Shock Absorption: Effective in automotive components, aerospace systems, and precision instruments requiring high-viscosity damping fluids.

  • High-Performance Lubricants: Suitable for extreme pressure and temperature lubrication in mechanical and manufacturing equipment.

  • Dielectric Fluids for Electrical Equipment: Provide electrical insulation and thermal management in transformers, capacitors, and other electrical devices.

  • Specialty Coatings and Treatments: Utilized in optical devices, sensors, and advanced machinery where chemical stability and low volatility are critical.

Why Choose Silico® UHV-b Series Silicone Fluids?

Silico®’s UHV-b series delivers unmatched quality and performance, backed by rigorous testing and compliance with industry standards. These ultra-high viscosity silicone fluids optimize efficiency, extend equipment lifespan, and reduce maintenance costs in demanding industrial scenarios.


For technical datasheets or bulk pricing of Silico® MF2010-1,000,000 and Silico® MF2010-2,500,000, contact us at Silicorex.com or speak directly with our product specialists.

Packaging and Storage

Item Description
Packaging 180kg steel drum or 900kg IBC tote
Shelf Life 24 months in original unopened packaging
Storage Conditions Ambient temperature, no freezing restrictions

Important Notes

For detailed technical information, safety data sheets (MSDS), or formulation guidance, please contact info@silicorex.com. Technical PDFs and chemical structure data are available upon request.

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