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WACKER AK 1000000 SILICONE FLUID is an ultra-high viscosity linear silicone fluid in Wacker’s AK series, designed for heavy damping, long-term lubrication, high-temperature sealing, material thickening and long-lasting hydrophobic protection. With high bond energy Si–O framework and ultra-long molecular chain, it has excellent thermal stability, strong hydrophobicity and great shear stability.
Ultra-high viscosity & good film-forming - Extremely high viscosity, excellent film-forming, long-term protection without loss
Chemically inert & stable - Non-reactive, acid-alkali and oxidation resistant, compatible with most non-polar systems
Excellent wide-temperature resistance & durability - Stable work from -60℃ to 300℃, radiation resistant and not easy to thermally degrade
Low volatility & shear resistance - Extremely low volatility, good shear stability, stable performance in long-term use
Superior hydrophobicity & sealing - Low surface tension, hydrophobic and anti-stick, with both lubrication and sealing effects
Heavy damping & buffering - Damping and shock absorption of large equipment and precision instruments, stabilizing vibration amplitude
Long-term lubrication & protection - Lubrication of high-temperature heavy-duty machinery and bearings, reducing friction and wear
High-temperature sealing & filling - Sealing and gap filling in high-temperature working conditions, improving long-term sealing performance
Material thickening & modification - Thickening of coatings, inks and adhesives, adjusting rheological properties of systems
Long-lasting hydrophobic protection - Long-term hydrophobic treatment of glass, metal and textiles, improving weather resistance
| Brand | Wacker |
| Type | Non-reactive hexamethyldisiloxane (linear silicone fluid) |
| INCI Name | Hexamethyldisiloxane |
| Appearance | Colorless transparent liquid, odorless, tasteless, physiologically inert |
| Density (25℃) | Approx. 0.76 g/cm³ |
| Flash Point (closed cup) | -6℃ |
| Auto Ignition Temperature | 340℃ |
| Kinematic Viscosity (25℃) | Approx. 0.65 mm²/s |
| Surface Tension (25℃) | 0.017 N/m |
Q1: What is the primary function of WACKER AK 1000000 Silicone Oil in industrial formulations?
A: WACKER AK 1000000 Silicone Oil is a high-molecular-weight polydimethylsiloxane primarily used as a processing aid and surface modifier to improve lubricity, reduce friction, enhance release performance, and suppress foam in demanding industrial applications such as coatings, adhesives, sealants, and specialty elastomer processing.
Q2: Is WACKER AK 1000000 Silicone Oil compatible with common polymer systems and solvents?
A: Yes — it demonstrates broad compatibility with thermoplastics, thermosets, and elastomers, and is miscible with many organic solvents and hydrocarbon-based carriers. Compatibility should always be verified under actual processing conditions, especially when used with highly polar resins or reactive systems.
Q3: How is WACKER AK 1000000 Silicone Oil typically incorporated into formulations?
A: It is generally added during the final mixing stage, either neat or pre-diluted in a suitable carrier. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight — sufficient to achieve desired surface effects without compromising bulk properties or interfacial adhesion.
Q4: Does this silicone oil require special handling or storage conditions?
A: Store in tightly sealed containers at ambient temperature, away from direct sunlight and strong oxidizing agents. It is non-volatile and thermally stable under normal handling conditions; however, prolonged exposure to elevated temperatures (>150 °C) may lead to gradual oxidative degradation over time.
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