<strike id="bznhp"><ins id="bznhp"></ins></strike>
<big id="bznhp"></big>
<noframes id="bznhp"><big id="bznhp"><progress id="bznhp"></progress></big><big id="bznhp"><progress id="bznhp"></progress></big>

    <progress id="bznhp"></progress>

      <progress id="bznhp"><meter id="bznhp"></meter></progress>

      <big id="bznhp"></big>

          Products
          thumb
          thumb
          thumb
          thumb
          Optical brightener OB

          Product Name: Optical brightener OB ( OPTICAL BRIGHTENING AGENT OB; fluorescent brightener OB; fluorescent whitening 

          agent OB; Uvitex OB; TINOPAL OB; OBA 184; FBA184; C.I.184; optical bleaching agent OB; Clariant Hostalux OB )

          Appearance: Light yellow power

          CAS No:  7128-64-5

          EINECS No: 230-426-4

          M.F:C26H26N2O2S

          13283888407 13373951170
          亚洲成熟妇女视频免费