It has the advantage of waterproof, moistureresistant, corrosion resistant, impact resistant, good lubrication,less friction drag, anti-wear, high toughness without deformationin set temperature range etc. This product is applicable tocast-in-place concrete of long-span and wide buildings,prefabricated beam and other construction like bridge, dam, silo,pool, tower body, Ground Anchorage etc. It is featured with nogrouting, easy operation, saving in material and goodflexibility.