本文件确定了工业用分级生猪燃料和木屑的燃料质量等级和规格。它仅涵盖由以下原材料生产的生猪燃料和木屑（见ISO 17225-1:-，表1）: -1.1森林、人工林和其他原始木材； -1.2木材加工业的副产品和残留物； -1.3.1未经化学处理的旧木材； -1.4混合物和混合物。 本文件涵盖使用钝工具生产的生猪燃料和使用锋利工具生产的木屑。 注1.2.2木材加工行业的副产品和残留物（可包括化学处理材料（如胶水、油漆、层压材料））不允许包括卤化有机化合物或重金属，其含量高于典型原始材料值（见ISO 17225附录B）- 1） 或高于原产国的典型值。 注2:如果I4类包括经过化学处理的旧木材（1.3.2），则只能在允许使用1.3.2的装置中使用。

This document determines the fuel quality classes and specifications of graded hog fuel and wood chips for industrial use. It covers only hog fuel and wood chips produced from the following raw materials (see ISO 17225-1, Table 1): —    1.1 Forest, plantation and other virgin wood; —    1.2 By-products and residues from wood processing industry; —    1.3 Used wood; —    1.4 Blends and mixtures. This document covers hog fuel that has pieces of varying size and shape, produced by crushing with blunt tools such as rollers, hammers, or flails, and wood chips which are defined as chipped woody biomass with a sub-rectangular shape and a typical length of 5 mm to 50 mm typically in the form of pieces with a defined particle size produced by mechanical treatment with sharp tools such as knives. See 1.1.2 in ISO 17225-1, Table 1 for by-products and residues from wood processing industry, which can include chemically treated material (e.g. glued, painted, laminated), are not allowed to contain halogenated organic compounds or heavy metals at levels higher than those in typical virgin material values or higher than typical values of the country of origin (see Annex B in ISO 17225-1). NOTE       If 1.4 Blends and mixtures includes 1.3.2 Chemically treated used wood, it can be only used in the installations permitted to use 1.3.2.