本文件已被宣布为“稳定”，不再接受货币定期审查。用户负责验证参考资料和持续适用性或技术要求。新技术可能存在。本SAE推荐实施规程描述了测定衬垫和/或声学复合材料相对柔韧性的方法。本试验方法的目的是建立一种测量柔性绝缘材料（如汽车底板绝缘复合材料）三维悬垂性的方法。

This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.This SAE Recommended Practice describes a method of determining the relative flexibility of padding and/or acoustical composites.The purpose of this testing method is to establish a means for measuring the three-dimensional drapeability of flexible insulation materials, such as automotive floor pan insulation composites.