Properties 1, Appearance: white irregular granule 2, Weight per cubic meter: 700-900Kg 3, Size: 0.4-5mm 4, PH value (10% Aq. solution ): 8.0-10.0 5, Stress Corrosion Resistance: in accordance with ASTM F 945. 6, Runway Concrete Scaling Resistance: in accordance with ASTM C 672. Performing more than one freeze-melting experiment, its damage to part even less than that of tap-water. 7, Plant Salt Resistance Test: It is good for the growth of plant without negative effect. 8, Aquatic Toxicity: It is in accordance with the EPA (40 Code of Federal Regulations (CFR) Parts 797.1300 and 797.1400) or OECD (Organization for Economic Cooperation and Development Guidelines for Testing of Chemicals, Method 202 and 203) . 9, Pollution It is in accordance with the regulations of (Standard Method for Examination of Water and Wastewater) from USA. The products are calcium chloride, sodium chloride as the main raw material, adding a certain amount of corrosion inhibitor mixture, and adjust the ratio as needed. The products are widely used in the winter roads, overpasses, car parks, squares and other places of snow melting and anti-freeze.