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WACKER AP 200 SILICONE FLUID is a high-performance phenyl methyl silicone fluid in Wacker’s AP series, designed for high-temperature, high-radiation and harsh industrial environments. With high phenyl content, it offers excellent thermal stability, radiation resistance and lubricity, with good compatibility to enhance high-temperature resistance, aging resistance and insulation.
High thermal stability - Resistant to high-temperature oxidation, stable performance in long-term high-temperature conditions
Strong radiation resistance - Resists UV and electromagnetic radiation, durable in outdoor and radiation environments
Excellent lubricity - Moderate viscosity, provides long-term anti-wear and lubrication protection
Broad compatibility - Compatible with organic resins, plastics, rubbers and other formulations
High insulation and low volatility - Excellent dielectric properties, low volatiles, suitable for electrical insulation
High-temperature lubrication - Long-term lubrication and anti-wear for high-temperature bearings, gears and chains
Electrical insulation - Insulation and heat dissipation for transformers, capacitors and electronic components
Coatings modification - Weather resistance and leveling optimization for high-temperature coatings and anti-corrosion coatings
Plastics processing - Release, slip and heat resistance enhancement for engineering plastics
Industrial protection - Protection and lubrication for precision instruments and aerospace components
| Brand | Wacker |
| Chemical Type | Phenyl methyl polysiloxane |
| Appearance | Colorless to pale yellow transparent liquid |
| Density (25℃) | 0.98-1.00 g/cm³ |
| Dynamic Viscosity (25℃) | Approx. 1000 mPa·s |
| Refractive Index (25℃) | 1.420-1.430 |
| Flash Point | >280℃ |
Q1: What is the primary function of WACKER AP 200 Silicone Oil in industrial formulations?
A: WACKER AP 200 Silicone Oil is a low-viscosity, non-reactive polydimethylsiloxane (PDMS) fluid primarily used as a surface modifier to improve slip, leveling, and anti-foaming performance in coatings, inks, adhesives, and sealants. It functions by migrating to interfaces and reducing surface tension.
Q2: Is WACKER AP 200 compatible with water-based systems?
A: Yes — WACKER AP 200 is hydrophobic but can be effectively incorporated into water-based systems using appropriate high-shear mixing or with the aid of compatible emulsifiers or silicone masterbatches. Stable dispersion may require formulation optimization depending on pH, ionic strength, and other components.
Q3: How does WACKER AP 200 differ from reactive silicone fluids like silane- or silanol-terminated PDMS?
A: Unlike reactive silicones, WACKER AP 200 contains no functional end groups and remains chemically inert under typical processing and service conditions. This makes it ideal for applications requiring long-term stability without crosslinking or unintended interaction with matrix resins.
Q4: What are typical dosage guidelines for WACKER AP 200 in coating formulations?
A: Dosage depends on the desired effect and system composition, but WACKER AP 200 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to the total formulation — with adjustments made based on compatibility testing and performance evaluation.
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