| CAS Number :5242-49-9 | EC Number:226-044-2 |
| Molecular Formular:C29H20N2O2 | Molecular Weight:428.4813 |
| English name: Fluorescent Brightener KSN | C.I: 368 |
Specifications:
| Item | Index |
| Appearance | yellow green powder |
| Purity,% | 98min |
| Melting point,°C | 300min |
| Volatile conten,% | 0.3max |
| Ash content,% | 0.1max |
| Fineness.mesh | 325min |
Performance Features：
1. Good fluorescence intensity and fairly sound brightening effect
2. Widely applicability to the brightening of such chemical fibers .all kinds of plastics
3. Carries fine compatibility with plastics and good thermal resistance.
Application：
1. Used on polyester, nylon fiber and terylen chemical fiber.optical brighteners for paint
2. Used on engineering plastic at high temperature as PET, PBT, PC, ABS, PA.
3. Used on PVC, PE, PS, PP, EVA, etc .
Application Methods：
Recommended quantity:
1000kg raw material.
1. 5～20g into transparent plastics.
2.100～200g into polyester fibers.
1. Optical brightener KSN, also called optical whitening agent KSN
2. Optical whitening agent is mainly used on polyester, nylon fiber.PET, PBT, PC, ABS, PA