... Oxalic acid forms fine colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid ... Grinding agent, such as Marble polishing; Waste water treatment, removing calcium from water. Technical data and reference feed rate ItemsSpecTOTAL ACIDITY ... liner film,good properties of waterproof and avoid water, solarization.Delivery port:Fuzhou/Guangzhou/Shanghai.Payment:L ...