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High thermal stability with consistent performance across –40 °C to +200 °C.
Low surface tension and excellent spreading/wetting characteristics on diverse substrates.
Chemically inert and resistant to oxidation, UV radiation, and common solvents.
Non-volatile, non-toxic, and compliant with FDA 21 CFR §178.3750 for incidental food contact applications.
Clear, colorless, odorless liquid with low volatility and minimal evaporation loss.
Release agent for rubber, plastic, and composite molding processes.
Base fluid in personal care formulations including hair conditioners and skin emollients.
Defoaming and antifoaming agent in industrial water treatment and coating systems.
Lubricant additive for precision instruments, gaskets, and O-rings.
Component in silicone-based dielectric fluids and heat transfer media.
| Chemical Type | Linear polydimethylsiloxane (PDMS) |
| Product Form | Free-flowing liquid |
| Appearance | Clear, colorless, and transparent |
| Odor | Practically odorless |
| Viscosity (25 °C, cSt) | 500 ± 50 |
| Density (25 °C, g/cm³) | 0.96–0.97 |
| Refractive Index (25 °C) | 1.402–1.405 |
| Flash Point (COC, °C) | >300 |
Q1: What is the typical viscosity range for 1-201-500 Dimethyl Silicone Oil?
A: This grade is formulated to provide medium-to-high viscosity performance, making it suitable for applications requiring enhanced film-forming capability and thermal stability without excessive flow. Viscosity is intentionally balanced to support both dispersion efficiency and surface conditioning functionality.
Q2: Is 1-201-500 compatible with common organic solvents and polymer systems?
A: Yes, it demonstrates good miscibility with hydrocarbon solvents, esters, and many thermoplastic and thermoset resin systems. Compatibility should be verified experimentally in final formulations due to potential interactions with polar additives or reactive monomers.
Q3: How is 1-201-500 typically incorporated into industrial coatings or personal care emulsions?
A: It is commonly added during the late-stage mixing phase to preserve integrity and ensure uniform distribution. In coatings, it functions as a leveling and slip agent; in emulsions, it contributes to skin feel modification and phase stabilization—typically used at low concentrations depending on desired performance intensity.
Q4: Does this silicone oil require special handling or storage conditions?
A: Store in a cool, dry place away from direct sunlight and strong oxidizing agents. Keep containers tightly sealed to prevent contamination and moisture ingress. No special ventilation or PPE beyond standard industrial hygiene practices is required under normal handling conditions.
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