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HomeProductsOptical brightener SWN

Optical brightener SWN

CAS No. 91-44-1/61968-71-6

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.

Technical Details

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
 Purity  99.5%
Appearance White to light brown crystalline powder
Molecular Formula C14H17NO2
Melting point 68.5-72℃
CAS 91-44-1/61968-71-6
C.I.NO. C.I.140
Use 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.

Recommended Dosage
“Polyamide:0.05-0.3%
Wool:0.05%-0.35%
Cellulose acetate fiber:0.05-1.4%
Triacetate fibre:0.1-2%
Acrylic:0.05%-0.8%”

Focus on Optical Brightener Since 1990.

Full Solution for Bright Process
Customizable Formula Based on Your Demand

High purity & Low cost

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