Magnum N-499 neutralizer is part of PTH process offering for printed circuit boards.
Is based on hydrogen peroxide; removes residues of manganese dioxide from drilled holes after permanganate desmear in preparation for metallization of multilayer PCBs. Is effective on resin materials, including epoxy resins and polyimide. Can be replenished and does not require PCBs be dried prior to processing. Can be used in conjunction with Magnum K-401 oxidizer or Magnum N-501 oxidizer.
RBP Chemical Technology