... roller compaction concretes and the lightweight concrete, as well as water conservancy project, sea labor, port labor, road engineering, ... , when JJ-812 luck medicinal preparation use, but the water used dilutes 1% peroxide solutions. Namely with 1kg this, ... become the white emulsion, then exchanges under the normal temperature running water 89kg, namely becomes 1% peroxide solutions.3rd, the concretes ...