本文件确定了分级木柴的燃料质量等级和规格。本文件仅涵盖由以下原材料生产的木柴（见ISO 17725-1:2021，表1）: -1.1.1没有根的整棵树1.1.3干材；-1.1.4伐木残留物（粗枝、顶部等）；-1.2.1木材加工行业未经化学处理的副产品和残留物。交叉引用:ISO 16559ISO 17225-1ISO 18134-1ISO 18134-2EN 13229:2001EN 12815:2001EN 12809:2001EN 13240:2001EN 15250:2007EN 303-5:2012EN 15821:2010EN 13556:2003ISO 18125购买本文件时提供的所有当前修订均包括在内。

This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO 17725-1:2021, Table 1): — 1.1.1 Whole trees without roots;— 1.1.3 Stem wood;— 1.1.4 Logging residues (thick branches, tops etc.);— 1.2.1 Chemically untreated by-products and residues from wood processing industry.Cross References:ISO 16559ISO 17225-1ISO 18134-1ISO 18134-2EN 13229:2001EN 12815:2001EN 12809:2001EN 13240:2001EN 15250:2007EN 303-5:2012EN 15821:2010EN 13556:2003ISO 18125All current amendments available at time of purchase are included with the purchase of this document.