ISO 11540:2014 Preview
Writing and marking instruments -- Specification for caps to reduce the risk of asphyxiation
ISO 11540:2014 specifies requirements to reduce the risk of asphyxiation from caps for writing and marking instruments. It relates to such instruments which in normal or foreseeable circumstances are likely to be used by children up to the age of 14 years.
ISO 11540:2014 is not applicable to the following: writing and marking instruments which are designed or only intended for use by adults (e.g. jewellery pens, expensive fountain pens, professional technical pens); transit caps for refills.
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