Question: what is the difference between copper and nickel anti seize?
Answer: Nickel Grade Anti-Seize is a premium anti-seize lubricant recommended for protecting metal fittings from rust, corrosion, galling and seizure at temperatures up to 2600° F. ... Like Silver Grade, Copper Anti-Seize protects metal parts against rust, corrosion, galling and seizure at temperatures up to 1800° F.