Polysiloxanes

CAS Number
63148-53-8

What is Polysiloxanes?

Polysiloxanes (CAS 63148-53-8), commonly known as silicones, are a broad family of silicon-oxygen backbone polymers.

Where is Polysiloxanes used?

  • Coatings and industrial finishes: improve surface slip, leveling, and substrate wetting without compromising recoatability
  • Sealants and elastomers: base polymers and crosslinkers for construction, automotive, and electronics assembly
  • Personal care: spreadability and smooth after-feel in hair conditioners, skin creams, and color cosmetics
  • Textile and leather processing: softening agents and release coatings
  • Rubber compounding: processing aids and antifoam additives in tire and molded goods
  • They deliver surface modification, lubrication, foam control, and rheology adjustment.

Commercial specifications

  • Viscosity grades range from low-viscosity fluids to high-consistency rubbers
  • Standard grades include technical, cosmetic, and industrial specifications
  • Select grades meet USP or Ph. Eur. requirements
  • Packaging ranges from drums and IBCs to bulk tankers depending on viscosity and grade

Other Names (Synonyms)

Siloxanes and Silicones|Silicones|Siloxanes|Silicone

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