This study is to discuss the change of the bullet-proof property and physical property of Ultra High Molecular Weigth PolyEthylene (Spectra Shield) textile which in NaOCl、 H2O2 and clear solution. The bullet-proof property decrease 16.2%, strength at break decrease 7.3%, elongation at break raise to the 3.3% that soak in NaOCl solution. The bullet-proof property decrease 14.7%, strength at break decrease 5.7%, elongation at break raise to the 3.0% that soak in H2O2 solution. The bullet-proof property decrease 8.1%, strength at break decrease 2.2%, elongation at break raise to the 2.8% that soak in clear solution.
