| Model: | C.I.393 |
|---|---|
| Brand: | Subang |
| Origin: | Made In China |
| Category: | Chemicals / Chemical Auxiliary & Catalyst / Chemical Auxiliary |
| Label: | optical brightener , ob-1 , CAS NO. 1533-45-5 |
| Price: |
US $17
/ KG
|
| Min. Order: | 500 KG |
| Live Chat: | Last Online:15 Sep, 2015 |
optical brightener OB-1 OBA 393
Chemical name: Distyryl bisbenzoxazole
Formula: C28H18N2O2
Recommended dosage:
1000kg material added every Brightener OB-1:
1, EVA, polypropylene, nylon, polycarbonate and the like in an amount 50 ~ 200g.
2, the addition of polyester fiber in the 75 ~ 300g.
Nature:
Fluorescent Brightener OB-1 as yellow crystals, insoluble in water, odorless, stable performance, the maximum absorption wavelength spectrum 374nm, a strong fluorescence emission wavelength of 434nm.
Technical conditions:
Appearance: yellow powder
Melting point: ≥ 359 ℃
Purity: ≥ 98.5%
Fineness: ≥ 300 mesh
Uses:
1, suitable for polyester fibers, nylon fibers, polypropylene and other synthetic fibers whitening.
2, for polypropylene plastic, rigid PVC, ABS, EVA, polystyrene, polycarbonate increase ORTHOPAEDICS.
3, suitable for conventional polymerization of polyester and nylon added.
4, especially in high-temperature molding plastic products whitening.
