"perkadox pd-50s-ps 20 kg pail us nag di(2,4-dichlorobenz oyl) peroxide organic peroxi de type d, solid class no.:5 .2 un no.:3106 po no.:4700 080371 perkadox pd-5os-ps 20 kg pailliner na/ung di(2,4 -dichlorobenzoyl) peroxide o rganic peroxide type d, solid class no.:5.2 un no.:3106 po no.:470008037