H-Sil® SDF 10,000 to 60,000 cst silicone fluids are linear polymers often referred to as high viscosity polydimethylsiloxanes or silicone fluids.
H-Sil® SDF 50 to 1000 cst silicone fluids are regular viscosity linear polymers often referred to as polydimethylsiloxane or silicone fluids.