Description
1. Properties of Optical Brightener KSN
Appearance: Yellowish green crystal powder
Shade/Tone: Reddish.
Purity: ≥99%
Melting point: 269-271℃
Volatile ≤0.5%
Ash ≤0.5%
Max Absorption Wavelength 370nm (in ethanol)
Max. Emission Wavelength 437nm(in ethanol)
Optical Brightener KSN chemical structure
Optical brightener KSN is poorly soluble in water, and soluble in alkane, mineral oil, and common organic solvents.
2. Synonyms / Alternative
Hostalux KS, KS-C (DyStar), OBA 368, FBA 368,
Optical Brightening Agent KSN
3. Packing and Storage
25KG fiber drum lined with a double-layer plastic bag.
Stored in a cool, dry, and ventilated place, the storage term should not exceed 2 years.
4. Common Application and Recommend Dosage
Optical Brightener KSN has strong light fastness and migration resistance. It is widely used for polyester fiber, polyamide, polypropylene fine polymer fibers, high-quality engineering plastics, etc. KSN is chemically stable and has a good affinity with common plastics. So it can be added in any production stage of blowing film, drawing, injection, molding, extrusion, etc.
Dosage in plastics 0.01-0.03%, or adjust according to user’s need.
Due to the dosage amount is small, please mix thoroughly for the best effect.
When using any UV absorb additive, the dosage of KSN should be adjusted.
5. Transportation and Safty
Avoid inversion, sunlight, moisture, and crash. Avoid damaging the package.
Non Hazardous. Stock as ordinary chemicals. Wear Protective goggles and gloves while using. And avoid direct contact with skin and eyes. Soap clean if the skin is contaminated.
Shandong Grand Chemical Co., Ltd, is a professional manufacturer of optical brighteners in China.
If you have any inquiries about the optical brightener for plastics, please do not hesitate to contact us via sales@obachemical.com, or WhatsApp: +86 13173009832.
