Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 10 Silicones in primary forms 39 10 00 Silicone oils and greases for use as libricants Commodity Code Description 39 10 00 10 Silicone oils and greases for use as libricants 39 10 00 20 Silicone resins 39 10 00 90 Other