CUPROTEC 3 is a process designed to prevent the tarnishing of copper and copper based alloys by atmospheric corrosion.

PORE BLOCKER™ 100 CONCENTRATE is a water soluble pore-blocker process concentrate designed for the protection of gold, silver, or copper plated surfaces.

PORE BLOCKER™ 200 water soluble post treatment process is designated for the protection of a thin layer of gold against discolouration due to corrosion.