简介

ASTM  D470-99是交联绝缘材料和电线\电缆外皮的老化测试标准。标准后续的数字指代标准的采用年限，或者修订情况下*后确定修改的年份。

1. Scope

1.1 These test methods cover procedures for testing crosslinked insulations and jackets for wire and cable. To determine the test to be made on the particular insulation or jacket, reference should be made to the product specification for that type. These test methods do not apply to the class of products known as flexible cords.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety a