1.1 This specification covers the requirements for unalloyed tantalum sheet, rod, and wire used for the manufacture of surgical implants.

1.2 The material has been subjected to animal implant studies and has been shown to produce a well-characterized level of biological response that is equal to or less than that produced by the reference material when tested by the procedures of Practice F981 or the equivalent. This material has been used clinically .

1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.