NOSOL GBY 2 is a fully synthetic lubricating and sealing grease for valves and fittings, especially gas fittings and bearings. It is resistant to water, mineral oil, glycol-water mixtures, gaseous and liquid aliphatic hydrocarbons such as town gas, long-distance gas, natural gas, petroleum gas and their substitute gases as well as to propane and propane-butane mixtures.