: a dark purple salt KMnO4 used as an oxidizer and disinfectant
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Additionally, Vapor Wash swaps potassium permanganate and sandblasting for lasers for further environmental savings.—Fairchild Studio, Footwear News, 24 Nov. 2025 The fabric is compatible with advanced low-impact finishing methods such as ozone and laser, meaning brands can eliminate potassium permanganate from their recipes.—Angela Velasquez, Sourcing Journal, 20 Oct. 2025
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