... chemical , surgical implant 2.strength :840 mpa TI-NI memory alloy wire for medical devices1.application :industry ,manufacturing,autocontrol ... ,spectacle. aviation,spacecraft.navigation,communication,antenna,spectacle frame ,glasses frame.2.wire gauge :0.1-2.0mm3.grade : ... glasses frame, women's bra, mobile phone antenna, dental arch wire, instruments and other areas of high quality memory ...