Masterbatches are concentrated mixtures of pigments or additives encapsulated in a polymer, used to color or impart specific properties to plastics. For manufacturers seeking to achieve a pristine white or to enhance the vibrancy of colored products, the choice of a fluorescent whitening agent in their masterbatch formulation is critical. Fluorescent Whitening Agent KCB, offered by NINGBO INNO PHARMCHEM CO.,LTD., is an exceptional additive for creating brilliant masterbatches that deliver superior performance.
KCB, also widely known as Optical Brightener KCB, is specifically designed to integrate seamlessly into various masterbatch types, including whitening masterbatches, foaming masterbatches, filling masterbatches, and other functional masterbatches. Its yellow-green crystalline powder form disperses uniformly, ensuring that the final polymer product achieves a consistent, bright blue-white fluorescence. This not only enhances the intrinsic whiteness of the material but also makes colors appear more vivid and clean.
The effectiveness of KCB masterbatch additive stems from its remarkable stability and compatibility. It withstands the high processing temperatures typical in masterbatch production without degradation, ensuring its brightening power is fully retained in the final application. Furthermore, its non-migrating properties prevent any unwanted yellowing or discoloration over time, guaranteeing long-lasting aesthetic quality. As a trusted masterbatch brightener supplier, NINGBO INNO PHARMCHEM CO.,LTD. provides a product that contributes significantly to the integrity and appeal of your polymer formulations.
For those involved in the production of specialty polymer masterbatches, investing in Fluorescent Whitening Agent KCB offers significant advantages. Its high efficiency allows for low dosage rates, making it a cost-effective solution for achieving superior optical properties. NINGBO INNO PHARMCHEM CO.,LTD. is committed to supplying premium chemical solutions that enable our partners to produce masterbatches of exceptional quality, meeting the stringent demands of modern plastic applications and setting new benchmarks for brilliance and clarity in the industry.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.