Phthalic anhydride ua lag luam cov lus qhia thaum sawv ntxov!
Cov khoom siv raw phthalate ua lag luam ua haujlwm zoo, kev lag luam naphthalene kev lag luam tau ua haujlwm tsis tu ncua thiab muaj zog, tus nqi txhawb nqa tseem muaj nyob, qee lub chaw tsim khoom raug kaw rau kev saib xyuas, cov khoom siv hauv zos tau qis me ntsis, qis qis pib load yog txwv, kev ua lag luam xav tau ceev faj, thiab kev yuav khoom tsuas yog xav tau, thiab xav tias phthalic anhydride ua lag luam nyob ze rau yav tom ntej.
Post lub sij hawm: Aug-22-2024