Basic Info.
Product Description
Optical brightener OB
( OPTICAL BRIGHTENING AGENT OB; fluorescent brightener OB; fluorescent brightener 184; fluorescent whitening agent OB; Uvitex OB; OBA 184; FBA184; C.I.184; optical bleaching agent OB; Clariant Hostalux OB )
CAS: 7128-64-5
C.I.NO.184
M.F:C26H26N2O2S
Product application
Mainly be used in whitening of thermoplastic, polyvinyl chloride (PVC), polypropylene (PP), polyester fiber, paint and ink, etc.
Product quality index
Test item | Technical Standards |
Appearance | Slight greenish yellow powder |
Content(HPLC) | ≥99% |
Melting point | 201ºC~205ºC |
Volatile content | ≤0.5% |
Ash content | ≤0.5% |
Packaging & Shipping
10/20/25kg/drum
Application
Light stabilizers: 622 770 944 292 783
UV absorbers: UV-531 UV-9(BP-3) UV-P UV-326 UV-327 UV-328 UV-329 UV-571 UV-
284(BP-4)
Antioxidants: 1010 168 BHT
Slip agents: Oleamide Erucamide
Heat stabilizers: DBM-83 SBM-50 SBM-55 CA ACAC Zn ACAC
We have exact inventory plans to guarantee stable supply.
We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.
Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.
After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.
We expect to become good partners with our customers for long.
Company Information 
Q: Do you have any certificate for quality?
A: Yes, we have ISO9001:2008 quality system certificate and REACH.
Q: Can you customize products?
A: Yes, we can.
Q: Can you provide samples for quality checking before placing an order?
A: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q: How to get the price list?
A: Please inqire us by alibaba/email.
Q: What's your payment term?
A: TT/LC/DA/DP/Paypal