Optical Brightener Agent for Plastic, Coating, Inks

• Model NO.: OB-1
• Color: Green
• Appearance: Powder
• Specification: 98%
• HS Code: 320420

• Certification: REACH
• Kind: Optical Brightening Agent
• Dosage: 0.005-0.03%
• Transport Package: 25kg/Drum
• Origin: China

Chemical Name 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Molecular Formula C28H18N2O2
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 / fiber drum

Applications

1. Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening.
2. Applicable to PP, PVC, ABS, PA, PS, PC, PBT plastic whitening brightening, with excellent whitening effect.
3. Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)

Recommended dosage: every 1000Kg polymer added amount of Optical brightener OB-1:

1. polyester fiber 75-300g.(75-300ppm)
2. Rigid PVC ,PP, ABS, Nylon, PC 20-50g.(20-50ppm).
3. whitening concentrated masterbatch 5-7kg.(0.5-0.7%).