CSN EN ISO 16409

CSN EN ISO 16409 This International Standard specifies requirements and test methods for performance criteria for manual interdental brushes with a round cross-section of the brush head and consisting of a wired stem with inserted filaments. It also specifies the accompanying information such as manufacturer's instructions for use and labelling of the packaging. Excluded are interdental brushes with a plastic core. This International Standard is not applicable to powered interdental brushes, manual toothbrushes, dental floss, tapes, and strings and to interdental cleaners that do not include filaments.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.