CRC Technician Grade Di-Electric Grease (3.3 Oz) CRC, 3.3 OZ Technician Grade Dielectric Grease Unique Precision Applicator For Maximum Control Non-Curing Compound Used For Sealing, Protecting & Electrical Insulating, Improves Electrical Performance By Reducing Arcing & Voltage Drop Use For Lubricating Plastic & Rubber