Jiangsu, China
Business Type:
Trading Company
Business Range:
Agriculture & Food, Chemicals
Management System Certification:
ISO 9001
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern ...
Import & Export Mode:
Have Own Export License
Sample Available

Optical Whitener KCB, Optical Brightner KCB, Optical Brightener KCB manufacturer / supplier in China, offering Optical Whitener KCB, High-Efficiency Fungicide-Chlorothalonil 75% WP with CAS No. 1897-45-6, High-Efficiency Fungicide-Difenoconazole 250g/L EC with CAS No. 119446-68-3 and so on.

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Optical Whitener KCB

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Min. Order / Reference FOB Price
25 kg US $27-44/ kg
Port: Shanghai, China
Production Capacity: 5000 Tons/Year
Payment Terms: L/C, T/T, D/P, Paypal, D/A
Color: Greenish Yellow
Appearance: Powder
Melting Point: 210-212ºC
Transport Package: 25kg/Fiber Drum
Specification: 99%
Trademark: LEPUZ

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Basic Info

Model NO.: KCB
Origin: China
HS Code: 32042000

Product Description

Optical brightener KCB

Other names: OPTICAL BRIGHTENING AGENT KCB; fluorescent brightener KCB; fluorescent whitening agent KCB; fluorescent brightening agent KCB; Uvitex KCB; TINOPAL 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
PropertyTypical Value, Units
Molecular Formula C24H14N2O2
Assay99% min.
Molecular Weight362g/mole
Appearance Yellow crystalline powder 
Melting Point 210-212ºC
Particle SizePass 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%.
Synthetic fiber
PE foam
PU foam
Synthetic rubber
Key Attributes
Colors appear more brilliant
Environmentally friendly
Excellent brightening ability
Produce a bluish tinge, masking yellowness
Whiter-than-white appearance
Packaging & Shipping

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.

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

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