International Organization for Standardization (ISO)
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ISO 2947:1973
Scope
This International Standard is intended to facilitate the changeover by industry and commerce from traditional yarn numbering systems to the Tex System. It provides a range of recommended rounded linear densities in the Tex System to replace the yarn numbers in the six main traditional numbering systems.
ISO 2947:1973 history
1973ISO 2947:1973 Textiles; Integrated conversion table for replacing traditional yarn numbers by rounded values in the Tex System