The defoamer for glass grinding should be stirred evenly before use, and poured or dripped directly when used; If it is used after layered mixing, the effect will not be affected; The recommended dosage is 0. 1-0.3%, which can be increased or decreased according to the specific situation. Before using this product, customers should read the product manual carefully to understand its scope of application and do small-scale experiments to ensure the correct use of the product.