Multi-use lubricant. CRC Electrical  Quality  Silicone  is  a  high-quality  multi-purpose formula that lubricates, waterproofs and protects with  a  thin  clear  film  that  is  non  corrosive  and  non staining. It has a low surface tension which permits better coverage and deeper penetration. It has superior lubricity for metal to non-metal surfaces and is non hardening to help eliminate corrosion.