Optical brightener KSN
1. Introduction:
Optical brightener KSN is a fluorescent whitening agent of the ethylene benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.03%.
Product name: Optical brightener KSN
Other Name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene;
CAS: 5242-49-9
EINECS No.: 226-044-2
C.I.NO. 368
M.F: C29H20N2O2
2. Technical Specifications
|
Item |
Standard |
|
Appearance |
yellow powder |
|
Melting Point |
270-350°C |
|
Purity |
≥98.5% |
|
Fineness |
over 100 meshes |
|
Viscosity |
<250mPa·s |
3. Application:
Suitable for the whitening of polyester, PA, PAN etc. Suitable for the whitening of silk and wool. Widely used for film, injection and extrusion materials. Suitable for the whitening of high polymers in any processing, including polymerization.
4. Features:
1. Low use level, high whitening intensity..
2. Wide suitability, widely used in the whitening of polyesters and plastics.
3. Excellent compatibility with plastic, excellent resistance to high temperature and weathering.
5. Package & Storage:
Packed in 25Kgs carton drum or according to customers' request.
Stored in cool and dry place; avoid light. Shelf life is 2 years.
