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

XIAMETER PMX-200 Silicone Fluid 12500cSt

XIAMETER PMX-200 Silicone Fluid 12500cSt is a high-viscosity dimethyl silicone oil from Dow’s XIAMETER brand, part of the PMX-200 series. It offers excellent thermal stability, low volatility, and outstanding lubricity. Widely used in industrial lubricants, damping fluids, and specialty coatings where consistent viscosity and inert performance are critical. Meets ISO 2909 specifications for kinematic viscosity.
  • xiameter pmx 200 silicone fluid 12500cst_081cb3df
  • xiameter pmx 200 silicone fluid 12500cst_081cb3df

Features Of XIAMETER PMX-200 Silicone Fluid 12500cSt

  1. High-viscosity dimethyl silicone fluid offering excellent thermal stability across a wide temperature range (−50 °C to +200 °C).

  2. Low volatility and minimal vapor pressure, supporting long-term performance in sealed or high-temperature systems.

  3. Outstanding dielectric properties with high volume resistivity and low dissipation factor, ideal for electrical insulation applications.

  4. Chemically inert toward most metals, plastics, and elastomers, ensuring compatibility in diverse formulation environments.

  5. Hydrophobic and oxidation-resistant, delivering consistent lubricity and surface protection under humid or aging conditions.

Typical Applications Of XIAMETER PMX-200 Silicone Fluid 12500cSt

  1. Dielectric fluid in high-voltage transformers, capacitors, and potting compounds.

  2. Lubricant for precision instruments, optical assemblies, and vacuum system components.

  3. Base fluid in specialty greases for extreme-temperature bearing and gear applications.

  4. Formulation ingredient in release agents for rubber and composite molding processes.

  5. Viscosity modifier and carrier fluid in thermal interface materials and heat-transfer fluids.

Specifications Of XIAMETER PMX-200 Silicone Fluid 12500cSt

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceWater-white, transparent, odorless
Kinematic Viscosity @ 25 °C12,500 ± 1,250 cSt
Density @ 25 °C0.97 g/cm³
Refractive Index @ 25 °C1.403
Flash Point (COC)≥ 315 °C
Volume Resistivity @ 25 °C>1 × 10¹⁵ Ω·cm


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