Brite Shield Powder Instrument Cleaner and Protectant, 800g Jar. Chemo-mechanically removes alginate and stone from impression trays. Removes set glass ionomer, carboxylate and zinc phosphate cements. Ideal for removing bio-burden from hand instruments. Polishes and protects instruments through a unique passivation process to restrict rust and corrosion while imparting a lustrous surface to stainless steel instruments. Each jar makes 34 gallons (128.7L). Environmentally friendly. Box of 800 Gm. powder