60.60 Standard published Jul 5, 2021
ISO
ISO/TC 238 Solid biofuels
International Standard
27.190 Biological sources and alternative sources of energy | 75.160.40 Biofuels
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.
WITHDRAWN
ISO 17225-5:2014
PUBLISHED
ISO 17225-5:2021
60.60
Standard published
Jul 5, 2021