Optical brightener OB
( OPTICAL BRIGHTENING AGENT OB; fluorescent brightener OB; fluorescent brightener 184;Â fluorescent whitening agent OB; Uvitex OB; TINOPAL OB; OBA 184; FBA184; C.I.184; optical bleaching agent OB; Clariant Hostalux OBÂ )
CAS:Â Â 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.
Â
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
Â
Â
              UV-1130   UV-284(BP-4)Â
Â
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 InformationÂ
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. Â
Our products are widely used in agriculture, plastic and rubber industry, medical industry, paints, printing inks and etc. Â
Â
Our company's headquarters is based in Nanjing city, Jiangsu Province, China. Â
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. Â
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.Â
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. Â
Welcome to contact us. Hope we can have a good cooperation and bright future.
Â
      Â
Â
Q: Do you have any certificate for quality?
 A: Yes, we have ISO9001:2008 quality system certificate and REACH.
Â
Q: Can you customize products?
A: Yes, we can.
Â
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.
Â
Q:Â How to get the price list?
A: Please inqire us by alibaba/email.
Â
Q:Â What's your payment term?
A:Â TT/LC/DA/DP/Paypal
Kaysen Steel is a China manufacturer, supplier and exporter for Stainless Steel Sanitary I-line Fittings, Hygienic I-line Fittings, food grade I-line fittings, including sanitary elbow, sanitary tee, sanitary reducer, with welded, tri-clamped, threaded ends, which is used in food, milk, beer, brewage, pharmacy, comestic, biopharmacy, etc. Welcome to buy sanitary I-line pipe fittings, Hygienic I-line Fittings, food grade I-line fittings from us in wholesale price, if you have any questions or requests, pls feel free to contact us!
Sanitary Pipe Fitting Specification:
â–ª Standard:3A, DIN, SMS, BS, RTJ, ISO, IDF, DS, INCH, etc
â–ª Material: Stainless Steel 304 (1.4301), Stainless Steel 316L(1.4404) etc.
▪ Size Range: 1/2″ to 12″ / DN15 ~ DN300
â–ª Connection Type: Welded, Tri-Clamped, Threaded
Surface Finish:
Mechanically polished and electropolished are available for our products. Outside and Inner surface can be treated complied to specified needs, and to meet FDA, GMP requirement.
Tube and Fittings: Ra0.4, Ra0.6, Ra0.8 or specified ( 180grit, 240grit, 300grit, 400grit, mirror polished, sandblasting finish, brushed finish etc.)
Both outside and inner available.
Quality & Inspection:
â–ª PMI test to verify material grade
â–ª Dimension controlling during fabricating and finished
â–ª Visual and surface 100% examination before shipment
â–ª Packed in carton box firstly, then in wooden case
I-Line Fittings,I-Line Sanitary Fittings,I-Line Hygienic Fittings,I-Line Fittings
Kaysen Steel Industry Co., Ltd. , https://www.chinasanitaryvalve.com