Optical Brightener SWN Features:

Optical brightener for polyamide fiber. Polyamide fiber is also called nylon or nylon. Polyamide fiber, as its name implies, contains amide groups in its molecule, and its whitening can be done with anionic and dispersed fluorescent whitening agents. Adopt exhaustion process to brighten. It is usually used together with oxidative bleaching (such as hydrogen peroxide, hypochlorite) or reduction bleaching (such as sodium hydroxide); the whitening by pad dyeing process usually requires steam, heat setting or acid treatment.

Optical Brightener SWN Properties:

This product is white to light brown crystalline powder, soluble in acidic aqueous solutions, ethanol, ethylene glycol and organic solvents. Commercial products are generally salts formed by pure products and sulfuric acid or hydrochloric acid, or salts formed by mixing with organic acids. This product should not be bathed with sodium chlorite