Optical brightener ob-1 for plastic

Optical brightener ob-1 for plastic
Optical brightener ob-1 for plastic
Yellow Green
Color shade
400-800 mesh
10kg/25kg per fiber drum
Shelf Life
2 years
by sea or by air
water or solvent
Under the radiation of sunlight, plastics tend to lose luster and brightness, and even turn yellow. Optical brightener ob-1 can solve this problem very well. It can be applied to a variety of plastic products, and it must be applied according to a certain ratio.

Optical Brightener OB-1 is an organic compound that is used to absorb ultraviolet (UV) light and re-emit it as visible light. It is used to increase the whiteness of plastic and paper products. OB-1 is most effective in the violet and blue regions of the visible spectrum, and is usually added to plastic at a concentration of 0.1–0.5%. OB-1 is commonly used in the manufacture of plastic parts for the automotive, electronics and packaging industries.


In which plastics can optical brightener ob-1 be used.

Optical brightener OB-1 can be used in most thermoplastics such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, polycarbonate, polyurethane, polyamides, and polyesters.


Usage and dosage of optical brightener ob-1 in plastics

Optical Brightener OB-1 is used in plastics at concentrations of 0.01-0.1%. The exact amount should be determined by the manufacturer or end user depending on the desired effect and application. OB-1 is most effective when added to the molten polymer prior to molding. It may also be added to the concentrate or masterbatch prior to compounding.

What should be paid attention to when purchasing ob-1?

  • 1. Ensure that the optical brightener OB-1 purchased is of high quality and from an established supplier.

  • 2. Make sure the optical brightener OB-1 is suitable for the application intended.

  • 3. Check the safety data sheet to ensure the product is safe to use.

  • 4. Consider the environmental impact of the product and opt for a more sustainable option if possible.

It is precisely because ob-1 can solve the problem of yellowing and dull color in plastics. Whether you are a plastic product factory, or a distributor or dealer of plastic additives, you can purchase directly from our factory. Raytop Chemical is the most professional Optical Brightener OB-1 manufacturer and supplier in China, welcome to contact our experts.

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