... paper products, etc main manufacture in China Product: Hydrogen peroxide 27.5%, 35%, 50%CAS No:7722-84-1H.S No ... Technical Indexes:Specification27.5%35%50%ABCABCABCH2O2 concentration(m/m),% ≥27.527.527.535.035.035.050.050.050.0Free acid ... .093.097.097.093.097.097.093.0 Hydrogen peroxide 27.5%, 35% 50%