ISO 17225-4:2021
International Standard
Current Edition
·
Approved on
19 February 2021
Solid biofuels — Fuel specifications and classes — Part 4: Graded wood chips
ISO 17225-4:2021 Files
English
8 Pages
Current Edition
30.1 OMR
ISO 17225-4:2021 Scope
This document determines the fuel quality classes and specifications of graded wood chips. This document covers only wood chips produced from the following raw materials (see ISO 17225-1:2021, Table 1):
1.1 Forest, plantation and other virgin wood;
1.2 By-products and residues from wood processing industry;
1.3.1 Chemically untreated used wood.
This document covers only wood chips, which are produced with sharp tools, and does not cover hog fuel, which is produced with blunt tools.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 7718-2:2025
International Standard
Aircraft — Passenger doors interface requirements for connection of passenger boarding bridge or passenger transfer vehicle — Part 2: Upper deck doors
ISO/IEC/IEEE 32430:2025
International Standard
Software engineering — Software non-functional size measurement
ISO 10218-1:2025
International Standard
Robotics — Safety requirements — Part 1: Industrial robots
ISO 10218-2:2025
International Standard
Robotics — Safety requirements — Part 2: Industrial robot applications and robot cells