The optical brightener MDAC (SWN) 140 is mainly used for the whitening of soft and hard PVC plastics, wool, natural silk and acrylic fibers, nylon (polyamide), and also used for whitening washing powder. optical brightener MDAC (SWN) 140 is also a A common laser dye.
Chemical Name:optical brightener SWN;optical brightener MDAC,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%