The following definitions explain the various treatments currently available and their recommended applications:
- Siltek Provides the ultimate passivation of treated surfaces, from glass to high nickel alloys of steel.
- Silcosteel A general purpose passivation layer for steel and stainless steel.
- Silcosteel-CR A corrosion resistant layer that increases the lifetime of system components in environments containing hydrochloric, nitric, or sulfuric acid.
- Sulfinert A required treatment for metal components used in analyzing for parts-per-billion levels of organo-sulfur compounds.

