Check the listing for details. Silicone Fluid 60,000cst HO 5 Gallon container. Condition: New. Listed at 225.00 USD. Pure silicone fluid. “Silicone as Damping Fluid”. They are used in a wide range of military, industrial and. Uses include: High Damping Action Fluid, Dielectric Fluid, and Lubricant for Rubber. In addition, Pure Silicone Fluid 30,000cSt & 60,000cSt are inert to virtually all plastic.