SDG 3 and SDG 315 are proprietary decontamination agent, which can be used dissolved in water, or applied as a solid cream, then washed off afterwards. The latter technique is more typical. SDG 3 is mainly used for decontaminating equipment items where immersion in a decontamination solution is either impractical or unadvisable. SDG3 has been superseded by other decontamination creams SDG315 or N10.