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Silicone Fluids

Silicones in the industry usually refer to linear polydimethylsiloxanes (PDMS). A combination of properties such as their backbone flexibility, low intermolecular interactions, low surface tension, and thermal stability explains many of their applications.

Silicones differ from organic compounds in both their physical and chemical properties:

  • High and low temperature stability
  • Oxidative stability
  • Chemically inert
  • Low flammability
  • Low surface tension
  • Shear stability
  • High compressibility
  • Low vapor pressure
  • Low odor
  • Non-oily feel
  • Spreadability
  • Low coefficient of friction
  • Lubricious

Latro Kimya has a wide range of linear polydimethylsiloxane polymers with kinematic viscosities of 50, 100, 200, 350, 500, 1,000 10,000 and 60,000 cSt.

Low molecular weight PDMS polymers, with viscosities less than 1000 cSt, are used extensively by the plastics industry as external release agents applied on the mold surface prior to injection molding. To eliminate an external application during processing, higher molecular weight PDMS oils, with viscosities ranging from 10,000 cSt to 60,000 cSt, are being used as internal additives in thermoplastic polymers to give processing advantages and surface property improvements.

They may be considered for use in several industrial and consumer applications:

  • Heat and mechanical transfer fluid
  • Hydraulic fluid
  • Electrical insulating fluid
  • Water repellent
  • Polish ingredient
  • Mold release agent