本规范涵盖片状尼龙布增强氯丁橡胶（CR）。本产品通常用于垫圈、密封件、隔膜和摩擦条等需要耐气候、臭氧、中热、低温、水和石油基润滑油的零件，但使用不限于此类应用。

This specification covers nylon-cloth-reinforced chloroprene (CR) rubber in the form of sheet. This product has been used typically for parts, such as gaskets, seals, diaphragms, and chafing strips, requiring resistance to weather, ozone, moderate heat, low temperature, water, and petroleum-base lubricating oil, but usage is not limited to such applications.