... % ≤0.002%0.005% Properties: White powder crystal, specific weight 1.69-1.73, hardness 2- ... to 350-4.00, it loses the crystal water and changes into waterless borax, which feature sterilizing ... softener, wash water, soap additives, ceramic glaze and glass raw materials. Borax also have an important ... powder. Odorless, taste salty. Soluble in water and glycerine easily, slightly soluble in alcohol. Weakly ...