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

DOW XIAMETER OFX-3667 Silicone Fluid

DOW XIAMETER OFX-3667 Silicone Fluid is a low-viscosity, high-purity polydimethylsiloxane (PDMS) offering exceptional thermal stability, low surface tension, and excellent compatibility with coatings, inks, and adhesives—ideal for precision release, leveling, and surface modification applications across electronics and industrial manufacturing.
  • dow xiameter ofx 3667 silicone fluid_c90019ea
  • dow xiameter ofx 3667 silicone fluid_c90019ea

Features Of DOW XIAMETER OFX-3667 Silicone Fluid

  1. Low surface tension for superior substrate wetting and leveling in coating formulations.

  2. Excellent thermal and oxidative stability, maintaining performance across extended high-temperature processing.

  3. Non-volatile and non-yellowing, supporting long-term clarity and color stability in sensitive optical and electronic applications.

  4. Compatible with a broad range of organic solvents, resins, and reactive systems including acrylics, epoxies, and polyurethanes.

  5. Low volatility (ASTM D2879) ensures minimal weight loss during cure and reduced VOC contribution in finished formulations.

Typical Applications Of DOW XIAMETER OFX-3667 Silicone Fluid

  1. Anti-foam and defoaming agent in water-based industrial coatings and inks.

  2. Surface modifier in release coatings for pressure-sensitive adhesives and label stocks.

  3. Levelling and slip additive in high-gloss architectural and automotive topcoats.

  4. Component in encapsulants and potting compounds for LED and power electronics.

  5. Processing aid in silicone rubber compounding to improve filler dispersion and extrudability.

Specifications Of DOW XIAMETER OFX-3667 Silicone Fluid

Chemical TypeMethyl-phenyl silicone fluid
Product FormClear, colorless liquid
AppearanceTransparent, mobile liquid at 25°C
Viscosity (cSt, 25°C)Approx. 600–750
Density (g/cm³, 25°C)Approx. 1.04–1.06
Refractive Index (25°C)1.495–1.505
Volatile Content (wt%, 200°C/2h)<1.0%
Flash Point (PMCC, °C)>200


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