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

​WACKER AK 20000 Silicone Oil

WACKER AK 20000 SILICONE FLUID is a medium viscosity linear non-reactive polydimethylsiloxane in WACKER® AK series, designed for polyurethane release, industrial lubrication and defoaming. With high bond energy Si-O structure, it has excellent temperature resistance, low volatility and strong hydrophobicity, with good fluidity and processability, outperforming mineral oils.

Features Of WACKER AK 20000 Silicone Oil

  1. Medium Viscosity & Easy Processing - Moderate viscosity, good fluidity, easy to add and coat, suitable for various processes

  2. Excellent Chemical Stability - Non-reactive, resistant to acid, alkali and oxidation, good compatibility with most substrates

  3. Wide Temperature Resistance Range - Stable at -55℃ to 300℃, resistant to radiation and high-temperature aging

  4. Low Volatility & Shear Resistance - Extremely low volatility, good shear stability, less loss during long-term use

  5. Outstanding Release Effect - Suitable for release of polyurethane and other materials, easy to peel off, no impact on substrate performance

Typical Applications Of WACKER AK 20000 Silicone Oil

  1. Polyurethane Release - Mold release for polyurethane products, improving demolding efficiency and ensuring smooth surface

  2. Industrial Lubrication - Lubrication for general equipment and precision components, reducing friction loss and extending service life

  3. Defoaming Application - Defoaming in anhydrous/non-polar systems, quickly inhibiting foam and improving product quality

  4. Dielectric Application - Insulation for medium and low voltage electrical equipment, ensuring stable insulation at high and low temperatures

Specifications Of WACKER AK 20000 Silicone Oil

Auto Ignition TemperatureAbout 450℃ (Typical Value)
Density (25℃)About 0.97 g/cm³ (Typical Value)
Flash Point (Closed Cup)>320℃ (Typical Value)
Kinematic Viscosity (25℃)About 20,000 mm²/s (Typical Value)
Dynamic Viscosity (25℃)About 20,000 mPa·s (Typical Value)
Setting PointAbout -55℃ (Typical Value)
Surface Tension (25℃)About 0.021 N/m (Typical Value)
Refractive Index (25℃)1.403 (Typical Value)


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