Optical Brightening

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WHITE IS NOT JUST WHITE
Decades of research and practical experience with optical brighteners have brought Archroma’s experts the highest knowledge in this field. Through a constant flow of new developments, our Ultraphor® and Leucophor® brands can achieve the highest brightness and best fastness for all fibers, with the right product for each application.

Ultraphor®
Optical brightener for polyester fibers, from reddish through neutral to bluish shades, for use in different processes like continuous or exhaust under low temperature or high temperature conditions.

Ultraphor®
Optical brighteners for polyamide or polyurethane fibers, from reddish through neutral to bluish shades, for use in different processes like continuous or exhaust processes.

Leucophor®
Optical brighteners for polyamide fibers with neutral to reddish shades, preferable for use in thermosol or exhaust processes.

Ultraphor®
Optical brighteners for polyacylic nitrile fibers, from reddish through neutral to bluish, violet shades, for use in continuous or exhaust processes.

Ultraphor®
Optical brighteners for acetate fibers, from neutral reddish to neutral bluish shades, for use in exhaust and thermosol processes.

Ultraphor® and Leucophor®
Optical brighteners for wool fibers, from neutral reddish to neutral bluish shades, for use in exhaust processes.

Leucophor®
Optical brightener solutions for wool fibers, from lightly reddish to reddish white shades, for use in thermosol process, exhaust processes and continuous processes.

Leucophor®
Optical brightener for cellulose fibers, from reddish through neutral to bluish shade, for use in different processes like continuous, exhaust or during finishing depending on customer requirements.

Ultraphor®
Optical brightener for mass brightening of synthetic fibers made from polyester and polyacrylic nitrile and for brightening of plastics such as polyethylene vinylacetate, polyethylene, polypropylene, polymethyl methacrylate, polycarbonate, polyvinyl chloride, polystyrene or polyacryl butadienestyrene.

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