Silicone Greases #9 and #4 have been improved with the certification NSF Class H1 for food contact. They are suitable for metal/plastic, metal/rubber, plastic/plastic and low duties metal/metal couplings. Odorless and tasteless, they can be used in contact with potable water. Do not allow growth fungus and moulds even in high humidity and temperature conditions. They are not flammable and they have good electrical insulation properties.