This European Standard aims at defining the requirements and method used to determine the particle size distribution of disintegrated pellets. It is applicable for pellets, which disintegrate in hot water at a temperature below 100 °C. It is intended for persons and organisations that manufacture, plan, sell, erect or use machinery, equipment, tools and entire plants related to fuel pellets, and to all persons and organisations involved in producing, purchasing, selling and utilising fuel pellets.