Copper is the most expensive and important component in a regular anti-seize. Copper flakes bear most of the burden of “plating-out” and keeping the surfaces separated, especially in high temperature applications. ULTRA SHIELD™ represents the original idea of anti-seize. High quality grease loaded with metal particles separating the protected surfaces, and acting as sacrificial anodes in case of galvanic attack. Don’t be fooled by competitive products that promise performance but skimp on the expensive solids.