Other AdditivesChina Concrete Admixtures of Sodium Gluconate for Concrete Retarder, 527-07-1, 98%Min, 25kg/Bag, Find details about China 527-07-1, Industry Grade Powder Sodium Gluconate from Concrete Admixtures of Sodium Gluconate for Concrete Retarder, 527-07-1, 98%Min, 25kg/Bag