The following points should be considered when choosing a fabric softening agents:
① Under various soft processing conditions, the working fluid should be very stable.
② Does not reduce the whiteness and color fastness of fibers or fabrics.
③ The softened fiber or fabric is not easy to be discolored by heat, and there should be no changes in color, feel, or odor during storage.
④ If the fabric softening agents is emulsion, its emulsion stability is better.
⑤ According to different processing requirements, it can have proper water absorption or water repellency, anti-static properties and other properties (should be selected according to different requirements of the fabric). It is resistant to washing or dry cleaning.
⑥ No adverse effects after human skin contact.