Chemical Name 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Molecular Formula C7H5O4SNa
Molecular Weight 414.4
Structure
CAS Number 1533-45-5
Specification Appearance: Yellowish green powder
Melting point: 357~361°C
Assay: 98%
Volatiles Content 0.5%max
Ash content: 0.50%max
Packing 25 kg / PE drum
Applications
- Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening.
- Applicable to PP, PVC, ABS, PA, PS, PC, PBT plastic whitening brightening, with excellent whitening effect.
- Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)
Recommended dosage: every 1000Kg polymer added amount of Optical brightener OB-1:
- polyester fiber 75-300g.(75-300ppm)
- Rigid PVC ,PP, ABS, Nylon, PC 20-50g.(20-50ppm).
- Whitening concentrated masterbatch 5-7kg.(0.5-0.7%).
Packing 25 kg / fiber drum