In the dyeing process, the foam will make dyeing uneven and form the foam stains and make fabric float and knotted. Particularly, when we use the overflow and jet dyeing machines, it is easy to form the cloth tied, blocked pipeline and resulting in defective products.
Defoamer agent has two effects: First, is burst. It lets the bubble which is going to form quickly broken. Second, is inhibiting foam ability. Generally, the substance with bad solubility usually has bad antifoaming property.