DS EN 12065:1998 Installations And Equipment For Liquefied Natural Gas - Testing Of Foam Concentrates Designed For Generation Of Medium And High Expansion Foam And Of Extinguishing Powders Used On Liquefied Natural Gas Fires Defines the tests to be carried out in order to assess the suitability of foam concentrates used to produce medium expansion foam (made from foam concentrates conforming to prEN 1568-1) or high expans