Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

9-255-2000 Phenylmethyl Silicone Oil

Dow Corning® 200 Fluid Series 9-255-2000 Phenylmethyl Silicone Oil is a high-purity, thermally stable fluid with exceptional low-temperature flexibility and oxidative resistance. Featuring phenyl and methyl substituents on the siloxane backbone, it offers superior UV stability, low volatility, and compatibility with plastics and elastomers—ideal for specialty lubricants, release agents, and optical coatings.
  • 9 255 2000 phenylmethyl silicone oil_5bf25a2f
  • 9 255 2000 phenylmethyl silicone oil_5bf25a2f

Features Of 9-255-2000 Phenylmethyl Silicone Oil

  1. Excellent thermal stability up to 250 °C, maintaining viscosity integrity under prolonged high-temperature exposure.

  2. Superior oxidative resistance due to phenyl group incorporation, minimizing degradation in air-rich environments.

  3. Broad compatibility with organic polymers, resins, and fillers—ideal for formulating high-performance composites.

  4. Low volatility and negligible vapor pressure at ambient conditions, supporting safe handling and extended shelf life.

  5. Outstanding dielectric properties with high volume resistivity (>1 × 10¹⁴ Ω·cm) and low dissipation factor.

Typical Applications Of 9-255-2000 Phenylmethyl Silicone Oil

  1. High-temperature heat transfer fluids in semiconductor manufacturing and vacuum furnace systems.

  2. Base fluid in specialty lubricants for aerospace actuators and precision instrumentation bearings.

  3. Dielectric coolant in high-voltage transformers and power electronics encapsulation compounds.

  4. Release agent additive for silicone rubber molding of complex automotive and medical components.

  5. Viscosity modifier and thermal stabilizer in phenyl-containing silicone elastomer formulations.

Specifications Of 9-255-2000 Phenylmethyl Silicone Oil

Chemical TypePhenylmethyl polysiloxane
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous, transparent, non-volatile liquid
Primary ApplicationsHeat transfer fluids, dielectric coolants, high-temp lubricants, polymer modifiers
Key FeaturesThermal stability, oxidative resistance, low volatility, dielectric performance
BenefitsExtended service life, reduced maintenance, enhanced safety, formulation flexibility
Density (25 °C)1.02–1.06 g/cm³
Refractive Index (25 °C)1.495–1.515


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