... devices ,chemical , surgical implant 2.strength :840 mpa Superelastic NI-TI memory alloy wire for orthodonticsThe products are mainly used to ... , glasses leg, women bra, Women's Sports Central, arch wires, instruments and other areas of high-quality memory alloy wire.Product ... required for high heating and cooling rate. Comparing Ti-50Ni alloy wires with Ti-40Ni-10Cu alloy wires, heating rates of the ...