Standards Development
This document specifies methods for the determination of diameter and length of pellets. Concerning the pellet length methods for the determination of fractions of specified length, such as oversized particles and particles below 10 mm and for determination of the average length are included.
The pellet length is an important parameter since overlong particles or larger amounts of small pellets in consignments of pellets can cause problems in transportation systems and/or during combustion.
The scope will need to be modified to state that the document includes the determination of fractions with specified lengths, such as oversized particles and particles below 10 mm, as specified in ISO 17225-2.
The main aims of the new version of ISO 17829 are:
- include the determination of the amount of pellets 10 mm
- to include the use of a suitable apparatus to improve the repeatability and the handling of the method;
- make a correction to one of the Figures
- add a definition of pellet length to avoid possible misinterpretation of the method;
- increase the size of the test sample to improve the precision of the method.
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