This product conforms to the concrete admixtures standard GB8076-2008 , and it is suitable for American standard ASTMC494 .
ZM-HNJN has the characteristics of water reducing, strengthening and set retarding. The main components are naphthalene high range water reducing admixture, amino sulphur salt, pumping aid, retarder etc., and compounded with a variety of complex surface-active substances, the chloride salt and sulfate content of this product are extremely low, it does not corrode steels, no adverse effects on the concrete shrinkage, and good adaptability to Portland cement, it is widely used in various cast-in-place concrete, reinforced concrete, prestressed reinforced concrete, hydraulic concrete and other projects, it is suitable for the preparation of concrete grades below C50.