Optical brightener KSN(KS-C) Our optical brightener KSN,
Appearance: yellow crystal powder
Melting point: 275-280
Purity: >=99.5%
Fineness: 120
It is used to whiten and brighten polyester, daiamid, polypropylene fiber. And...
Optical brightener OB-1, optical brightening agent OB-1 Our optical brightener OB-1,
Appearance: yellow powder
Melting point: 250-270
Purity: >98.5%
Fineness: >=300
1.suitable for whitening and brightening the chemical fiber such as lanon, nylon...
Optical brightener OB, optical brightening agent OB Our optical brightener OB,
Appearance: bright yellow green crystal powder.
Melting point: between 210-220
Purity: >=99.5%
It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA,...