Antifreezing Concrete Admixture Small dosage: 2.0-4.0% Suitable for the winter construction DescriptionJK-15 is naphthalene-based non-corrosive, non-chlorine compound antifreeze admixture which compounded with water-reducing, early-strength, reducing the freezing point, preventing freezing damage etc. ingredients, powder, it has early-strength, water-reducing, air-entraining, anticorrosion etc. ...