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Chemical Name: Polyethylsiloxane
English Names: Ethyl Silicone Oil, Ethyl Siloxane Fluid, Ethyl Polysiloxane
CAS Number: 63148-61-8
Keywords: Ethyl Silicone Oil, Ethyl Siloxane Fluid, Polyethylsiloxane, Low-Temperature Silicone Fluid, Silicone Insulating Fluid, Specialty Silicone Lubricant, IOTA 2056
IOTA 2056 Ethyl Silicone Oil is a specialty organosilicon fluid designed for applications requiring low-temperature performance, lubrication, electrical insulation, and thermal stability.
As a polyethylsiloxane-based silicone fluid, IOTA 2056 is supplied as a colorless to pale yellow transparent liquid. According to the available product specifications, it features a freezing point below -80°C, a flash point above 265°C (open cup), and a relative density of 0.95–1.05.
These properties make IOTA 2056 a candidate material for evaluating in specialty lubricants, electrical insulation systems, release agents, and other industrial formulations where conventional fluids may not meet specific performance requirements.
IOTA 2056 offers several characteristics relevant to specialty fluid applications.
With a specified freezing point below -80°C, IOTA 2056 is suitable for evaluation in applications that require fluid performance under very low-temperature conditions. Its actual operating range should be confirmed through application-specific testing.
Silicone fluids can provide useful lubrication and surface-modification properties. IOTA 2056 may be evaluated in precision lubrication, mold release, and specialty industrial formulations where friction reduction and surface performance are important.
Silicone-based fluids are used in various electrical and electronic applications because of their electrical properties and thermal performance. IOTA 2056 may be considered for insulation-related formulations, subject to verification of dielectric strength, volume resistivity, dielectric loss, and compatibility with the intended equipment.
The specified open-cup flash point of IOTA 2056 is above 265°C. This characteristic is relevant when assessing fluids for applications involving elevated temperatures. The flash point should not be interpreted as the maximum continuous operating temperature.
According to the available product information, IOTA 2056 is soluble in toluene, diethyl ether, chloroform, and certain other organic solvents, and it can be mixed with petroleum-based products. Compatibility should be verified for each specific solvent, base fluid, and formulation.
The following table summarizes the currently available specifications for IOTA 2056 Ethyl Silicone Oil.
| Parameter | Specification |
|---|---|
| Product Grade | IOTA 2056 |
| Chemical Name | Polyethylsiloxane |
| Appearance | Colorless to pale yellow transparent liquid |
| CAS Number | 63148-61-8 |
| Freezing Point | Below -80°C |
| Relative Density | 0.95–1.05 |
| Flash Point | Above 265°C, open cup |
| pH Value | 5–7, as provided |
| Solubility | Reported soluble in selected organic solvents |
Note: The values above are based on the currently available product information. Please consult the latest technical data sheet (TDS) for confirmed specifications, test methods, and application suitability.
IOTA 2056 can be evaluated as a component in mold-release formulations for selected rubber and plastic manufacturing processes. Suitability depends on substrate compatibility, mold conditions, and the requirements of the finished product.
For industrial systems requiring low-temperature fluidity and specialized surface properties, IOTA 2056 may be considered for precision lubrication and selected specialty lubricant formulations. Viscosity and tribological performance should be assessed under actual operating conditions.
Ethyl silicone oil may be evaluated for electrical insulation-related applications where fluid stability and dielectric performance are required. Before use in transformers, electrical equipment, or other critical systems, the fluid must meet the applicable electrical, thermal, and safety specifications.
Silicone fluids can be used as modifiers in selected polymer and resin systems to adjust flexibility, surface characteristics, and processing behavior. For waterborne or water-compatible epoxy formulations, compatibility and any claimed improvement in flexibility or internal stress should be confirmed through formulation testing.
Depending on formulation design and verified performance, IOTA 2056 may also be investigated for specialty heat-transfer fluids, damping-fluid formulations, and other industrial applications requiring tailored silicone-fluid properties.
When selecting an ethyl silicone oil for an industrial application, buyers and formulators should evaluate more than the product name alone.
Important selection factors include:
Operating temperature: Confirm the required low- and high-temperature performance.
Viscosity: Match the fluid viscosity to the lubrication, processing, or equipment requirements.
Electrical properties: Request dielectric strength, volume resistivity, and dielectric-los
