本规范涵盖了一种氯丁橡胶（CR），可用于制造片状、条状、管状、挤压件和模制形状的产品，如窗槽、缓冲垫、防擦条等。对于航空和航天应用的模制环、压缩密封件、模制O形圈软线和模制在位垫片，使用等效的AMS7XXX规范。

This specification covers a chloroprene (CR) rubber that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes such as window channels, bumper pads, chafing strips, etc. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the equivalent AMS7XXX specification.