OB masterbatch is commonly used in laminates and coatings to make the final product appear whiter and brighter. This is desirable in applications where visual appeal is important, such as packaging, labels, and advertising materials.

OB masterbatch can help prevent or mitigate the yellowing of plastics and coatings over time, which can occur due to exposure to UV light or other environmental factors. This can be important in applications where color stability is essential.