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Optical Brightener OB
Opticdal brightener OB,which is light yellow-green powder,can be used for whitening of thermoplastic plastics,polyvinyl chloride,polystyrene,polyethylene,polypropylene,ABS,acetate fiber,paints,coatings,printing paints,etc.It can add into the each process of polymer for whitening.For supplying the bright blue-white luster to processed products.It’s also widely used for thin film,injection molding and extrusion forming materials.
| Items | Specification |
| Chemical Name | Optical Brightener OB |
| Appearance | Light yellow powder |
| Purity | ≥99.5% |
| Molecular Formula | C26H26N2O2S |
| Melting point | 201-203℃ |
| Ash | 0.5% |
| Volatile matte | ≤0.2% |
| Light transmittance | 450nm≥96% 500nm≥97% |
| Packing | 25kg / DRUM OR 25KG / CARTON |
| Application | It can be used for whitening of hermoplastic plastics, polyvinyl chloride, polystyrene, polyethylene, polypropylene, ABS,etc. |




Jinan Ogilvy Chemical Co., Ltd. is located in Jinan which is famous for springs. The company has been devoting to the research of fluorescent brightener and its intermediates. And the products have passed the SGS and MSDS test. In recent years, Jinan Ogilvy chemical has served many famous brands with OEM service. With advanced equipment, strong capital and advanced testing technology, we are able to provide their customers with high quality products, professional solutions and unique tailor-made products. Since the products have earned high reputation among customers, the products are not only meet the needs of domestic customers, but also find the way into the world market. Their products are exported to Japan, Korea, Southeast Asia, Europe and America,etc.

Q:Are you factory?
Yes,we are factoty.
Q: How to confirm the Product Quality before placing orders?
You can get free samples for the products, but the shipping cost should be paid by customer.
Q: How to get the price list?
A: Please inqire us by alibaba/email.
Q:Is there a discount?
The price is negotiable. It can be changed according to your quantity or package. So when you are making an inquiry, it's better if you could let us know the quantity you need.
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 many the MOQ?
Normally1kilograms, other demands can also be solved by discussing details.
Q: How about delivery leadtime?
About 7days after payment confirmed. (Chinese holiday not included)
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