Chesterton 740 Heavy Duty Rust Guard

Heavy-Duty, Corrosion-Preventative Compound


Long-term, corrosion preventative coating provides heavy-duty metal protection for all areas constantly exposed to humidity and corrosive fumes, without critical surface preparation. It is an unique polymer modified wax.

  • Easy to apply – easy to remove
  • Self-healing if scratched
  • Does not peel or flake
  • Provides up to two years of corrosion protection under sheltered outdoor conditions
  • Withstands 2000 hours’ accelerated corrosion test; ASTM B 117, 5% salt fog test
  • Conforms to MIL C 161173D, grades 1 and 4
  • Excellent resistance to acid, alkali, and salt air fumes
  • Transparent brown

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Chesterton 740 Heavy Duty Rust Guard