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

DOW XIAMETER OFX-5211 Silicone Fluid

DOW XIAMETER OFX-5211 is a low-viscosity, hydroxyl-terminated polydimethylsiloxane (PDMS) fluid from Dow’s XIAMETER specialty silicone portfolio—designed for use as a reactive diluent, modifier, or base polymer in RTV silicones, coatings, and adhesives requiring controlled reactivity and excellent compatibility.
  • dow xiameter ofx 5211 silicone fluid_e7e5bba2
  • dow xiameter ofx 5211 silicone fluid_e7e5bba2

Features Of DOW XIAMETER OFX-5211 Silicone Fluid

  1. High-purity, low-volatility linear polydimethylsiloxane (PDMS) fluid with controlled molecular weight distribution.

  2. Excellent thermal stability and oxidative resistance across a wide temperature range (–40 °C to +200 °C).

  3. Low surface tension and superior spreading characteristics for uniform film formation on diverse substrates.

  4. Hydrophobic and chemically inert—resistant to water, mild acids, bases, and many organic solvents.

  5. Non-toxic, non-staining, and compliant with FDA 21 CFR 178.3725 for incidental food contact applications.

Typical Applications Of DOW XIAMETER OFX-5211 Silicone Fluid

  1. Release agent for rubber, silicone, and thermoplastic elastomer (TPE) molding processes.

  2. Base fluid in high-performance lubricants and greases for precision instruments and automotive components.

  3. Surface treatment additive in coatings, inks, and adhesives to improve slip, leveling, and substrate wetting.

  4. Dielectric coolant and heat-transfer fluid in electronic encapsulation and potting formulations.

  5. Carrier fluid for active ingredients in personal care emulsions and specialty cosmetics.

Specifications Of DOW XIAMETER OFX-5211 Silicone Fluid

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceWater-white, transparent, odorless
Viscosity (25 °C, cSt)500 ± 50
Density (25 °C, g/cm³)0.965 – 0.975
Refractive Index (25 °C)1.402 – 1.406
Volatile Content (150 °C, 2 hrs, wt%)≤ 1.0
Flash Point (COC, °C)≥ 300


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