1.1本试验方法描述了测量聚烯烃薄膜和片材硬度的两个程序。 1.2程序A规定了使用高压静电消除器和TFE氟碳化合物的程序 2. -涂层板克服静电和摩擦的杂散影响。 1.3程序B规定在未涂覆的板上使用细粉以达到类似效果。 注1 — 虽然这两种程序旨在实现类似的效果，但它们可能无法实现相同的结果。 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 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。 注释2 — 没有已知的ISO等效于本标准。 ====意义和用途====== 5.1聚烯烃网的刚性可能会影响其可加工性，尤其是在那些包装机上，其中网的切割部分需要暂时保持平整，而不需要在所有侧面进行支撑。 5.2刚度不是一个简单的特性，因为它取决于试样的其他特性:厚度（量规）、方向效应和刚度，这是制成薄膜或薄板的材料的固有特性。 这些因素的综合影响是影响转换机器性能的刚度。

1.1 This test method describes two procedures for measuring the rigidity of polyolefin film and sheeting. 1.2 Procedure A prescribes a procedure using high-voltage static eliminators and the use of TFE-fluorocarbon 2 -coated plates to overcome the spurious effects of static electricity and friction. 1.3 Procedure B prescribes the use of a fine powder on uncoated plates to achieve a similar effect. Note 1 — Although the two procedures are designed to achieve similar effect, they may not achieve the same results. 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 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. Note 2 — There is no known ISO equivalent to this standard. ====== Significance And Use ====== 5.1 The rigidity of a polyolefin web can affect its machinability, particularly on those packaging machines where a cut portion of a web is required to remain flat momentarily without being supported on all sides. 5.2 Rigidity is not a simple property since it depends on other properties of the specimen: the thickness (gauge), orientation effects, and the stiffness which is an inherent property of the material of which the film or sheet is made. The combined effect of these factors is the rigidity that influences performance on converting machines.