The SZ-512C silicone defoamer is a Medium-content silicone emulsion with a rapid foam-breaking speed. The SZ-50C series includes high-content SZ-50C, medium-content SZ-520C and SZ-512C, and low-content SZ-505C, with solid contents of 50%, 20%, 12%, and 5%, respectively. These silicone-based defoamers are widely used in the wastewater treatment industry, offering excellent defoaming performance along with some antifoam properties. The high-content product is suitable for dilution if conditions allow, while the low-content product is suitable for direct use. The medium-content products can be used either directly or after dilution.