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Low-viscosity, linear polydimethylsiloxane (PDMS) fluid offering excellent flow and leveling characteristics.
High thermal stability with continuous service temperature range from –40 °C to +180 °C.
Hydrophobic and chemically inert, providing resistance to water, oxidation, and most common solvents.
Low surface tension and superior spreading behavior, enhancing substrate wetting in formulation applications.
Non-volatile, non-toxic, and compliant with FDA 21 CFR 175.300 for incidental food contact when used as a release agent.
Release agent for rubber, plastic, and composite molding processes.
Base fluid in personal care formulations including hair conditioners and skin emollients.
Carrier or diluent for silicone-based additives in industrial coatings and inks.
Lubricant component in precision mechanical assemblies and gasketing compounds.
Defoaming aid and surface modifier in water-based paints and adhesives.
| Chemical Type | Linear polydimethylsiloxane (PDMS) |
| Product Form | Clear, colorless liquid |
| Appearance | Water-white, mobile fluid |
| Viscosity (25 °C, cSt) | 50–60 |
| Density (25 °C, g/cm³) | 0.96–0.97 |
| Refractive Index (25 °C) | 1.402–1.404 |
| Volatile Content (wt%, 200 °C/2 h) | <1.0% |
| Flash Point (PMCC, °C) | >300 |
Q1: What is the primary function of Dow Corning DC 56 Silicone Fluid in industrial formulations?
A: DC 56 is a low-viscosity, volatile silicone fluid primarily used as a carrier, release aid, or surface modifier to improve slip, leveling, and substrate wetting—especially in coatings, inks, adhesives, and personal care emulsions.
Q2: Is DC 56 compatible with water-based systems?
A: Yes, DC 56 is hydrophobic but can be effectively incorporated into water-based systems using appropriate high-shear mixing or with the aid of compatible surfactants or pre-emulsification—commonly applied in cosmetic lotions and architectural coatings.
Q3: How does DC 56 differ from non-volatile silicone fluids like DC 200?
A: Unlike higher-molecular-weight, non-volatile silicones, DC 56 fully volatilizes at elevated temperatures or under ambient drying conditions, leaving no residual silicone film—making it suitable for applications where temporary surface modification is desired without long-term buildup.
Q4: Can DC 56 be used in food-contact or pharmaceutical applications?
A: DC 56 is not intended for direct food-contact or pharmaceutical use unless specifically approved under applicable regulatory frameworks; formulation developers should consult current regional compliance guidelines and perform required safety assessments before such use.
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