Polydimethylsiloxane (PDMS)

Polydimethylsiloxane (PDMS), also known as Dimethylpolysiloxane or Silicone Oil, is a colorless, odorless silicone polymer available in a wide range of viscosity grades. It is widely used in industrial, coating, lubrication, antifoam and specialty silicone applications.

Polydimethylsiloxane (PDMS) Chemical Name: Polydimethylsiloxane IUPAC / Chemical Description: Poly(dimethylsiloxane) Synonyms: • Polydimethylsiloxane • Dimethylpolysiloxane • Silicone Oil • Silicone Fluid • PDMS • Dimethicone • Dimethyl Silicone Polymer CAS Number: 63148-62-9 Other CAS: 9016-00-6 may apply to certain dimethylpolysiloxane grades. Molecular Formula: (C₂H₆OSi)n Molecular Weight: Variable – depends on polymer chain length and viscosity grade. Physical Form: Clear, colorless, odorless viscous liquid / silicone fluid. HSN Code (India): 39100090 – Silicones in primary forms Available Grades: • 5 cSt • 10 cSt • 20 cSt • 50 cSt • 100 cSt • 200 cSt • 350 cSt • 500 cSt • 1,000 cSt • 5,000 cSt • 10,000 cSt • Higher-viscosity grades subject to availability Applications: • Antifoam and defoaming formulations • Lubricants and specialty fluids • Release-agent formulations • Coatings and surface-treatment products • Polishing and protective formulations • Textile and paper processing • Industrial silicone formulations • Hydraulic and damping-fluid applications • Specialty chemical formulations Packaging: Available in bottles, HDPE containers, drums, IBCs and other suitable industrial packaging according to viscosity grade and quantity. Samples: Samples are available on request. Documentation Available: • GST Invoice • Commercial Invoice • Certificate of Analysis (COA) • Safety Data Sheet (SDS/MSDS) • Technical Data Sheet (TDS) • Product Specification Sheet • Certificate of Origin (COO), where applicable • Packing List • Applicable Export / Regulatory Documentation Customization: Viscosity grade, purity, packaging and technical specifications can be supplied according to buyer requirements, subject to availability. Bulk quantities and customized specifications are available on request. All related silicone fluids, silicone oils, PDMS grades and specialty silicone products are available on request.