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WACKER AK 1000 SILICONE FLUID is a medium viscosity linear non-reactive polydimethylsiloxane in WACKER® AK series, designed for industrial lubrication, electrical insulation, textile finishing, defoaming and mold release. With high bond energy Si-O structure, it has excellent temperature resistance, low volatility and strong hydrophobicity
Wide Adaptability of Medium Viscosity - Moderate viscosity, balancing fluidity and film-forming property, suitable for various industrial processing technologies
Stable Chemical Inertness - Non-reactive, resistant to acid, alkali and oxidation, good compatibility with most substrates and organic solvents
Wide Temperature Range & Aging Resistance - Stable at -60℃ to 300℃, resistant to radiation and high-temperature oxidation, long-term stable performance
Low Volatility & Low Loss - Extremely low volatility, good shear stability, less loss and long service life during long-term use
Excellent Surface Performance - Low surface tension, outstanding hydrophobicity, with good lubrication and isolation properties
Industrial Lubrication - Lubrication for precision machinery and bearings, reducing friction loss and ensuring stable long-term equipment operation
Electrical Insulation Medium - Insulation for electrical and electronic components, stable and reliable insulation performance in high and low temperature environments
Textile Finishing - Smoothing and waterproof finishing for fabrics, improving fabric hand feel, water resistance and durability
Industrial Defoaming - Defoaming for anhydrous/low-water systems, fast bubble breaking and inhibition, no impact on original system performance
Rubber & Plastic Mold Release - Mold release for rubber and plastic products, easy peeling without sticking, ensuring product surface finish
| Auto Ignition Temperature | 410℃ (Typical Value) |
| Density (25℃) | About 0.97 g/cm³ (Typical Value) |
| Flash Point (Closed Cup) | >300℃ (Typical Value) |
| Kinematic Viscosity (25℃) | About 1,000 mm²/s (Typical Value) |
| Dynamic Viscosity (25℃) | 1,000 mPa·s (Typical Value) |
| Surface Tension (25℃) | About 0.021 N/m (Typical Value) |
| Setting Point | About -60℃ (Typical Value) |
| Refractive Index (25℃) | 1.402 (Typical Value) |
Q1: What is the primary function of WACKER AK 1000 Silicone Oil in industrial formulations?
A: WACKER AK 1000 Silicone Oil serves primarily as a defoaming and antifoaming agent, especially in aqueous systems such as coatings, adhesives, cleaning agents, and water-based inks. Its low surface tension and immiscibility with water enable efficient foam suppression and rapid breakdown of existing foam structures.
Q2: Is WACKER AK 1000 compatible with common water-based polymer systems?
A: Yes — it demonstrates good compatibility with a wide range of waterborne acrylics, vinyl acetate copolymers, styrene-butadiene dispersions, and polyurethane dispersions. Compatibility should be verified in the final formulation due to variations in pH, surfactant load, and shear conditions.
Q3: How is WACKER AK 1000 typically incorporated into formulations?
A: It is generally added during the post-addition stage, after high-shear dispersion of pigments or fillers, to avoid premature destabilization. Pre-dilution in a small portion of the base solvent or water (with appropriate stabilizers if needed) may improve uniform distribution. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight of the total system.
Q4: Does WACKER AK 1000 affect gloss or film appearance in coating applications?
A: When used within recommended dosage levels, it generally does not negatively impact gloss or clarity in clear coats or pigmented systems. However, excessive addition may lead to surface defects such as craters or haze, so optimization through small-scale trials is advised.
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