Optical brightener KCB
Other names: OPTICAL BRIGHTENING AGENT KCB; fluorescent brightener KCB; fluorescent whitening agent KCB; fluorescent brightening agent KCB; Uvitex KCB; OBA 367; FBA367; C.I.367; CI 367; optical bleaching agent KCB; Clariant Hostalux KCB; optical brightner KCB; optical whitener KCB
CAS: 5089-22-5
C.I.NO. 367
Typical Properties
| Property |
Typical Value, Units |
| Molecular Formula |
C24H14N2O2 |
| Assay |
99% min. |
| Molecular Weight |
362g/mole |
| Appearance |
Yellow crystalline powder |
| Melting Point |
210-212ºC |
| Volatiles |
<0.15% |
| Particle Size |
Pass 200 mesh |
Product Description
LEPUZ optical brightener KCB is a fluorescent whitening agent of the naphthalene benzoxazole class. The product is useful in plastics such as polyolefin, PVC, PVC foam, EVA and TPR, PU foam, PMMA, sythetic rubber, man-made fibers, printing inks and coatings. Especially excellent in foamed plastics such as PE foam, EVA foam. Dosage: 0.005%~0.05%.
Application/Uses
Synthetic fiber
PVC
TPR
Paint
PE foam |
EVA
PU foam
Synthetic rubber
Plastics |
Key Attributes
Colors appear more brilliant
Environmentally friendly
Excellent brightening ability
Produce a bluish tinge, masking yellowness
Whiter-than-white appearance
Packaging & Shipping
10/20/25kg/drum
Main products
Optical brighteners: OB OB-1 OB-3 KCB FP-127 KSN MDAC(SWN) CBS-X
UV absorbers: UV-531 UV-9(BP-3) UV-P UV-326 UV-327 UV-328 UV-329
UV-1130 UV-284(BP-4)
Light stabilizers: 622 770 944 292 783 695
Our Services
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
NANJING LEPUZ CHEMICAL CO., LTD. is an ISO-certified modernized chemical enterprise concentrating on the production, sales and service for pesticide, plastic and coating additives, fine chemicals and intermediates.
Our products are widely used in agriculture, plastic and rubber industry, medical industry, paints, printing inks and etc.
Our company's headquarters is based in Nanjing city, Jiangsu Province, China.
Our factory is located in Touqiao Town, Hanjiang District, Yangzhou City, where is adjacent to Guangling Hi-tech Development Zone, mainly producing high quality plastic additives and intermediates such as optical brighteners and etc.
We have established long years' technical cooperation with Nanjing University, Nanjing Tech University, and make continuous innovation to fulfill the changing market's demand and trends.
Besides the professional R&D team, our factory has advanced production and testing equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirement.
With profound chemistry knowledge and rich experience, our business team can offer professional customized technical supports and solution for customer's demand.
Till now our products have occupied a good market in China, and also exported to Europe, the United States, Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and etc.
Welcome to contact us. Hope we can have a good cooperation and bright future.
FAQ
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
Audited Supplier 
){kind=link}
){kind=link}