study on the flexibility of bis(3-diylpropyl)aminoisopropyl alcohol zr-50 in high-end watch strap materials catalog introduction chemical properties of bis(3-diylpropyl)aminoisopropyl alcohol zr-50 the application background of zr-50 in high-end watch strap materials the flexibility of zr-50 comparison of product parameters and performance comparison of flexibility of zr-50 with other materials practical application case analysis future development...