With the continuous progress of science and technology, plastic products play an increasingly important role in our lives. Whether it's everyday products, electronics or automotive parts, plastics play an integral role. However, in order to meet consumer demand for high quality and aesthetics, plastic products must have excellent performance and appearance. Against this backdrop, fluorescent brightener OB has made its debut, providing a new solution for whitening plastics.

What is Fluorescent Brightener OB?

Optical Brightener OB is a chemical used to whiten plastics, its full name is Optical Brightener, which can be applied to a variety of plastics, such as polyolefins, polyamides, polyacrylonitrile and so on, to bring them a high degree of whitening effect. The unique feature of Optical Brightener OB is that it can be used to achieve a significant increase in whiteness in plastics in relatively small quantities, providing an efficient and economical solution for the production of plastic products.

Advantages of Fluorescent Brightener OB

1. High whitening degree

One of the main advantages of Fluorescent Brightener OB is its excellent whitening effect. It can make plastic products appear brighter and whiter under white light irradiation. This not only enhances the visual appeal of plastic products, but also makes them more suitable for applications that require a high degree of whiteness, such as food packaging and medical devices.

2. Low Dosage

Compared to other whiteners, fluorescent brightener OB is used in relatively small amounts. This means that you can save more on raw material costs during the production process and reduce the impact on the environment. Smaller quantities also mean better economics, allowing you to improve the appearance of your products without increasing production costs.

3. Good compatibility with a wide range of polymers

Fluorescent Brightener OB has a wide range of applications, not only can it be used in plastics such as polyolefins, polyamides and polyacrylonitrile, but it also has good compatibility with most polymers. This means that you can use Fluorescent Brightener OB in a wide range of plastics without worrying about interactions with other components.

Areas of Application

The broad applicability of fluorescent brightener OB makes it useful in a variety of applications, including but not limited to:

Plastic products: Used in the manufacture of white, bright plastic products, such as home furnishings and plastic packaging.

Textiles: added to textiles to improve the whiteness of white textiles and make them look fresher.

Paper and Printing: Used in the manufacture of white paper and prints to improve the visual effect of prints.

Paints and Coatings: added to paints and coatings to improve their hiding power and appearance.

Adhesives: Used in the manufacture of white adhesives to make them suitable for a variety of applications.


Fluorescent Brightener OB has become a star in the field of plastics whitening due to its excellent whitening effect, small dosage and wide applicability. It provides a powerful tool for various industries to improve the appearance of their products, as well as providing higher economic benefits for producers. If you want your plastic products to be brighter and more attractive, consider using fluorescent whitener OB to give your products a shine. Whether you're a manufacturer or a consumer, Fluorescent Brightener OB will provide you with satisfying results.