Optical brightener, also known as fluorescent whitening agents (FWA) or optical brighteners (OBA), are compounds used in various industries to enhance the brightness and whiteness of materials, reflect ultraviolet light, and improve visual appearance.
Specifications:
Type | Appearance | C.I.NO. | Purity(%) |
OB | Light yellow powder | 184 | 98min |
OB-1 |
Yellow green powder |
393 | 99min |
FP127 | Yellowish powder | 378 | 99min |
KCB |
Yellow green powder |
367 | 99min |
KSN | Light yellow powder | 368 | 99min |
What is the main difference among these 5 types?
OB-1(Green phase &Yellow phase): Outstanding cost-effective, 358-360℃ high temperature resistance.
OB: One of the best brighteners and whitening effect as Tinoplal OB.
FP127: High whiteness, good shade, good color fastness, heat resistance, good weather resistance, and no yellowing.
KCB: Outstanding Stability (Specially for shoe materials), Migration-resistance and Sedimentation-resistance.
KSN: Outstanding Stability, Good resistance to sunlight and weather.
Applications:
Optical Brightener, is also Fluorescent whitening agent. This kind of whitening agent can be widely used in plastics, man-made fibers, fabrics, nylons, films, printing inks, coatings, flexible PVC and polyethylene etc.
Packing and Quantity:
25kgs fibre drum.
Storage: Keep in cool and dry place, far away from high temperature and sunshine.