Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO 17225-5:2026)
This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO 17225-1:2021, Table 1):1.1.1 Whole trees without roots 1.1.3 Stemwood 1.1.4 Logging residues (thick branches, tops, etc.) 1.2.1 Chemically untreated by-products
View in