Polydimethylsiloxane (PDMS)



Polydimethylsiloxane (PDMS) belongs to a group of polymeric organosilicon compounds that are referred to as silicones and is the most widely used silicon-based organic-polymer. Polydimethylsiloxane (PDMS) is particularly known for its unusual rheological or flow properties. It is optically clear and inert, non-toxic, and non-flammable. It is one of several types of silicone oil (polymerized siloxane).


  • Component of defoamers
  • Ingredient in water-repellent coatings
  • Plasticizer in silicone sealants
  • Stamp resin in the procedure of soft-lithography
  • Lubricant in condoms
  • A component in silicone grease
  • A component in heat-transfer fluids
  • A component in mold-release agents
  • Sorbent for the analysis of head-space

Shelf Life

Under proper storage conditions, the shelf life is 24 months.

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet).