Product
    Chemical name
    Supplier
    DTDM
    4, 4'-dithio dimorpholine
    MLPC Int'l, Great Lakes Chemical, Vale srl, UniChem, china chem corp.
    Vultac
    Alkyl phenol disulfides 
    MLPC Int'l
    Insoluble Sulphur
    90% and Several grades
    Vulchem inc, Maruzen chemical,china chem corp