... quality,professional service to 10 countries, China,S.Korean Origin Hydrogen peroxide, H2O2, 35%;50%;70%monthly export quantity 300mt,Origin: South ... (%)MAX0.050.0493KSM 1112FREE ACID(%)MAX0.030.0076KSM 1112PH(20.C)MAX2.01.21KSM 0011normal package: 30kgs net in poly drumLoading ... :Good quality, competitive price, prompt shipment, supply guarantee,professional service . HYDROGEN PEROXIDE