Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Huntsman NFW450% Fluorescent Whitening Agent

Huntsman NFW450% is a high-performance fluorescent whitening agent from the NFW series, delivering exceptional brightness boost and UV stability for synthetic fibers like polyester and nylon. It offers superior solubility, uniform dyeing, and excellent lightfastness, making it ideal for high-speed industrial applications requiring consistent whiteness enhancement.
  • huntsman nfw450 fluorescent whitening agent_1e02eb01
  • huntsman nfw450 fluorescent whitening agent_1e02eb01

Features Of Huntsman NFW450% Fluorescent Whitening Agent

  1. High fluorescence intensity with excellent blue-light emission for superior brightness enhancement.

  2. Outstanding compatibility with common textile auxiliaries and dyeing systems, including reactive and direct dye processes.

  3. Good lightfastness and washfastness on cellulosic fibers, maintaining whiteness over multiple laundering cycles.

  4. pH-stable performance across a broad range (pH 4–10), supporting versatile processing conditions.

  5. Low volatility and non-volatile residue, ensuring consistent application and minimal odor impact in finished goods.

Typical Applications Of Huntsman NFW450% Fluorescent Whitening Agent

  1. Cotton and viscose fabric whitening in exhaust and continuous dyeing processes.

  2. Denim finishing to achieve bright, clean white shades without yellow undertones.

  3. Nonwovens production, particularly for hygiene and medical-grade spunlace materials.

  4. Blended fabrics containing cotton, linen, or rayon where balanced whitening and color stability are critical.

  5. Laundry detergent formulations requiring high-efficiency optical brightening at low dosage levels.

Specifications Of Huntsman NFW450% Fluorescent Whitening Agent

Chemical TypeStilbene-based fluorescent whitening agent (FBA)
Product FormLiquid concentrate (aqueous solution)
AppearancePale yellow to light amber clear liquid
Primary ApplicationsCellulosic fibers (cotton, viscose, linen, lyocell)
Key FeaturesHigh active content (~45% w/w), low foam, anionic character
BenefitsImproved whiteness index (WI), reduced yellowing tendency, easy handling and dosing
SolubilityFreely soluble in water; miscible with common textile auxiliaries
Storage StabilityStable for ≥12 months at 5–30°C in original sealed container


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