Name: Huntsman UVITEX MST-B LIQ Optical Brightener
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Huntsman UVITEX MST-B LIQ Optical Brightener

Highly soluble liquid formulation for easy handling and uniform dispersion in aqueous systems.
Excellent compatibility with common textile auxiliaries, including surfactants and softeners.
Strong blue-white fluorescence providing superior whiteness and brightness enhancement on polyester and polyester/cotton blends.
Good wash- and light-fastness performance under standard textile processing conditions.
Non-ionic character ensures stability across a broad pH range (pH 4–10).

Typical Applications Of Huntsman UVITEX MST-B LIQ Optical Brightener

Polyester fiber and filament dyeing and finishing.
Textile printing pastes for high-brightness white and pastel shades.
Blended fabrics containing polyester, especially polyester/cotton and polyester/viscose.
Industrial laundering and institutional textile care formulations.
Nonwoven fabric brightening for hygiene and medical applications.

Chemical Type	Stilbene-based optical brightener
Product Form	Clear to slightly hazy aqueous liquid
Appearance	Yellowish to pale amber liquid
Active Content	Approx. 20% w/w
pH (1% aqueous solution)	5.5–7.0
Density (20°C)	1.05–1.10 g/cm³
Solubility	Completely miscible with water
Primary Applications	Textile brightening for synthetic and blended fibers

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E-mail: wangxingqiang@ericwchem.com
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