Dimethicone, scientifically known as polydimethylsiloxane (PDMS) and identified by CAS number 9006-65-9, is a cornerstone silicone fluid that exemplifies versatility and high performance. Its unique molecular structure, characterized by repeating dimethylsiloxane units, endows it with a remarkable set of physical and chemical properties that are leveraged across a vast array of industrial and personal care applications.

The dimethicone chemical properties are central to its widespread adoption. It exhibits exceptional resistance to extreme temperatures, both high and low, and maintains its viscosity with minimal change across this range. This thermal stability, coupled with its chemical inertness, makes it suitable for challenging environments. Furthermore, Dimethicone possesses a low surface tension, which facilitates excellent spreading and coverage, a trait highly valued in applications requiring smooth surface finishes or efficient dispersion. Its hydrophobic nature also contributes to its use in water-repellent formulations and as a protective barrier.

In the industrial sector, Dimethicone serves as a vital auxiliary agent. It functions effectively in oil drilling operations, water treatment processes (particularly for foam control), and as a processing aid in the manufacturing of rubber, plastics, coatings, and textiles. For example, in textile finishing, it enhances fabric softness and provides a desirable hand-feel. Its lubricating properties are also beneficial in mechanical applications.

The benefits of Dimethicone in personal care products are equally profound. It is a key ingredient in cosmetics and skincare, acting as an emollient to soften and smooth the skin, and as a skin protectant that helps retain moisture. Products containing Dimethicone often feel light and non-greasy, providing a pleasant sensory experience. The dimethicone oil, particularly at specific viscosities like 350 cSt, is optimized for these uses, delivering superior conditioning and spreadability.

For businesses looking to source this indispensable ingredient, reliable suppliers are paramount. NINGBO INNO PHARMCHEM CO.,LTD. is recognized as a leading provider of high-quality Dimethicone. When considering how to buy Dimethicone, especially specific grades, engaging with a trusted supplier like NINGBO INNO PHARMCHEM CO.,LTD. is crucial for ensuring product integrity and consistent supply. Understanding the market price for Dimethicone through direct consultation with such providers is essential for effective procurement. The diverse uses of polydimethylsiloxane underscore its importance as a high-performance chemical compound.