1 laboratory in United States is accredited by A2LA under ISO/IEC 17025 to perform ISO 4920 testing. From the accredited scope text: “ISO 4920 ISO 18695 Width of Fabric ASTM D3774 Wyzenbeek Abrasion ASTM D4157 Yarn Number by Skein Method ASTM D1907 Yarn Number: Short Length Method ASTM D1059 Yarn Slippage Upholstery Seam ASTM D4034”
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See all accredited labs in United States or browse other methods such as ANSI/NCSL Z540-1-1994, ASTM E18, ASTM E10.
This page is a fixed slice of the register: every ISO 4920 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
Search labs in United StatesAmerican Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.