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

9-274 Phenylmethyl Silicone Oil

Dow Corning® 200 Fluid Series 9-274 Phenylmethyl Silicone Oil is a high-purity, thermally stable fluid with excellent low-temperature flexibility and oxidative resistance. Featuring phenyl and methyl substituents on the siloxane backbone, it offers superior UV stability, low volatility, and broad compatibility with polymers and additives—ideal for specialty lubricants, release agents, and optical coatings.
  • 9 274 phenylmethyl silicone oil_be81bbdd
  • 9 274 phenylmethyl silicone oil_be81bbdd

Features Of 9-274 Phenylmethyl Silicone Oil

  1. Excellent thermal stability up to 250 °C in inert atmospheres.

  2. Superior oxidative resistance compared to standard methyl silicone oils.

  3. Low volatility and high flash point for enhanced process safety.

  4. Good compatibility with organic resins, fillers, and elastomers.

  5. Clear, colorless to pale yellow liquid with low pour point (≤ −50 °C).

Typical Applications Of 9-274 Phenylmethyl Silicone Oil

  1. High-temperature heat transfer fluids in closed-loop industrial systems.

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

  3. Release agent for composite molding of carbon fiber and high-performance thermosets.

  4. Dielectric coolant in high-voltage transformers and capacitors requiring extended service life.

  5. Formulation component in high-stability silicone greases for extreme-temperature bearings.

Specifications Of 9-274 Phenylmethyl Silicone Oil

Chemical TypePhenylmethyl polysiloxane
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Viscosity (25 °C, cSt)1000 ± 150
Density (25 °C, g/cm³)1.02–1.05
Flash Point (COC, °C)≥ 310
Pour Point (°C)≤ −50
Volatile Matter (150 °C, 2 h, wt%)≤ 1.0


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