1.1 本性能规范 2. 涵盖冰球头盔的性能要求。 1.2 本性能规范旨在减少头部受伤的风险，同时不影响游戏的形式和吸引力。 1.3 本性能规范包括:( 1. )完整头盔的减震性能以及下巴带及其附件的强度和伸长率的性能试验；和( 2) 覆盖和渗透面积要求。 1.4 以国际单位制表示的数值应视为标准值。括号中给出的值仅供参考。 1.5 以下预防性警告仅适用于试验方法部分第节 12 ，本性能规范: 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

1.1 This performance specification 2 covers performance requirements for ice hockey helmets. 1.2 The intent of this performance specification is to reduce the risk of injury to the head without compromising the form and appeal of the game. 1.3 This performance specification covers: ( 1 ) performance tests for shock absorption properties of the complete helmet and strength and elongation of the chin strap and its attachment; and ( 2) requirements for area of coverage and penetration. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.5 The following precautionary caveat pertains only to the test methods portion, Section 12 , of this performance specification: 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 and health practices and determine the applicability of regulatory limitations prior to use.