WACKER AR 200 SILICONE FLUID is a high-temperature resistant functional silicone fluid in Wacker’s AR series, designed for high-temperature working conditions and multi-industrial formulations. As a non-reactive polydimethylsiloxane, it has excellent high-temperature stability, electrical insulation and lubricity, with good compatibility, odorless and physiologically inert.
Excellent high-temperature resistance - Can be used long-term at -50~200℃, resistant to high-temperature oxidation, no small molecule volatilization
Superior electrical insulation - Stable dielectric properties, suitable for insulation protection of various electrical equipment
100% active liquid, easy processing - Good fluidity, easy addition, suitable for various processing technologies
Broad system compatibility - Compatible with water-based and solvent-based systems, and various substrates such as plastics and fibers
Low volatility and odorless - Extremely low volatiles, physiologically inert, meeting high-end environmental and safe use requirements
High-temperature lubrication - Lubrication of high-temperature parts of mechanical equipment, core raw material of lubricants
Electrical insulation - Insulation, heat dissipation and protection additive for electrical equipment and circuit boards
Plastic processing - Plastic molding release, slip modification, improving processing efficiency
Textile and fiber field - Fabric softening, water repellent modification, enhancing fiber durability
Industrial additives - Core component of defoamers, water repellents and oil additives
| Brand | Wacker |
| Chemical Type | Functional polydimethylsiloxane |
| Appearance | Colorless transparent liquid |
| Density (25℃) | 0.96-0.98 g/cm³ |
| Dynamic Viscosity (25℃) | Approx. 100 mPa·s |
| Refractive Index (25℃) | 1.402-1.404 |
| Flash Point | >200℃ |
| Water Content | <100 mg/kg |
| Applicable Temperature Range | -50℃~200℃ |
Q1: What is the primary function of WACKER AR 200 Silicone Oil in industrial formulations?
A: WACKER AR 200 Silicone Oil is a high-viscosity, dimethylpolysiloxane-based fluid primarily used as a surface modifier and processing aid. It imparts excellent lubricity, improves substrate wetting, reduces friction during processing, and enhances gloss and slip in final products such as coatings, inks, and polymer composites.
Q2: Is WACKER AR 200 Silicone Oil compatible with common organic solvents and polymer systems?
A: Yes, it exhibits good compatibility with a broad range of organic solvents (e.g., aliphatic and aromatic hydrocarbons, ketones, esters) and is widely used in thermoplastic elastomers, polyolefins, PVC, and solvent-borne coating systems. Compatibility should always be verified under actual formulation conditions due to potential interactions with additives or reactive components.
Q3: How is WACKER AR 200 Silicone Oil typically incorporated into formulations?
A: It is generally added during the mixing or compounding stage, either neat or pre-diluted in a suitable carrier. Due to its high viscosity, gentle shear and adequate dispersion time are recommended to ensure uniform distribution. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight for most performance effects.
Q4: Does WACKER AR 200 Silicone Oil affect the curing behavior or adhesion of coating or adhesive systems?
A: At recommended usage levels, it generally does not interfere with thermal or UV curing mechanisms. However, because it migrates to interfaces, excessive amounts may reduce intercoat adhesion or substrate bonding—particularly on low-energy surfaces. Formulators are advised to conduct adhesion and cure compatibility testing in the target system.
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