This specification covers the performance requirements for helmets manufactured for use by infants and toddlers as passengers or operators of non-motorized wheeled vehicles. The performance requirements to which the helmets shall conform include those for headforms, peripheral vision, retention system testing, anvils and impact velocities, impact sites, impacting schedule, and peak acceleration.

1.1 This specification covers performance requirements for helmets manufactured for use by infants and toddlers as passengers or operators of nonmotorized vehicles intended for their use. This specification recognizes the desirability of lightweight construction and ventilation; however, it is a performance standard and is not intended to restrict design.

1.2 All testing and requirements of this specification shall be in accordance with Test Methods F1446 except as noted.

1.3 Partial utilization of this standard is prohibited. Any statement of compliance with this specification must be a certification that the product meets all of the requirements of this specification in their entirety. A product that fails to meet any one of the requirements of this specification is considered to have failed this standard, and should not be sold with any indication that it meets parts of this standard.

1.4 Headgear that complies with this and other standards may proclaim uses as described in those standards as certified by the manufacturer.

1.5 This standard is subject to revision at any time by ASTM. It must be reviewed every five years and if not revised either reapproved or withdrawn. References to the standard must include the version date. No references to a version that has been replaced or withdrawn shall be placed on any product or its packaging manufactured more than 24 months after the effective revision or withdrawal date. Go to astm.org to verify the latest version of this standard.

1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.