Optical brightener SWN
|Product Name||Optical brightener SWN|
|Chemical Name||optical brightener SWN;optical brightener SWR, WS, FBO, VPA, US, WNS, WN, whitening agent DC,4-methyl-7-diethyl amino coumarin|
|Appearance||White to light brown crystalline powder|
This product is used for whitening wool, natural silk, nylon, acetate fiber, triacetate fiber.Also can be used for cotton, cellulose fiber, acrylic fiber whitening. The dosage is 0.05% ~ 2.0%.
Adding synthetic washing powder to the fabric can improve the appearance whiteness of the fabric after washing.
Cellulose acetate fiber:0.05-1.4%