... , sodium carbonate peroxide, PCS) is a free-flowing powder with a common name of solid hydrogen peroxide, it ... Percarbonate can be mixed with one of the compounds containing polyvinyl alcohol (PVA) and copper, ferrum, cobalt, manganese, and so on. ... instead of Sodium perborate or others.1.Specifications:Item: Uncoated CoatedAppearance: Free flowing white granule Free flowing white granuleActive ...