Optical brightener KSN has quite good whitening effect.
Specifications:
Item |
Standard |
Appearance |
Yellowish powder |
Purity (%) |
99min |
Melting point (℃) |
269~271 |
Fineness |
more than 200 mesh |
Product Name: Optical Brightener KSN, Fluorescent Brightener KSN.
Chemical name: 4.4-bis(5-methyl-2-benzoxazolyl)stilbene
CAS NO. 5242-49-9
C.I. NO. 368
Molecular formula: C29H20N2O2
Molecular weight: 442g/mole
Recommended dosage:
1. If adding KSN series into transparent plastic, the recommend dosage is 0.5~2g per 100 kgs.
2. If adding KSN series into polyester fiber, the recommend dosage is 10-20g per 100 kgs.
Key Attributes of Optical brightener KSN:
• High whitening intensity.
• Quite small dosage can get very good whitening effect.
• Wide applicability.
• iSuoChem KSN series optical brightener has good compatibility with plastics, high temperature resistance, excellent light resistance and weather resistance.
Applications:
Optical Brightener KSN, is also called KSN Fluorescent whitening agent.
1. KSN is suitable for whitening polyester, polyamide, polyacrylonitrile and other fibers, silk fabrics and wool fabrics.
2. KSN is Widely used in film, injection molding and extrusion molding materials, suitable for the processing of all plastics.
3. KSN is quite suitable for the whitening of any processing stage of synthetic high polymer, including the polymerization stage.
Packing and Quantity:
25kgs fibre drum, around 5.25mts/20’fcl without pallet.
Storage: Keep Optical brightener KSN powder in cool and dry place, far away from high temperature and sunshine.