In the paper industry, achieving superior whiteness and brightness is paramount for product appeal and perceived quality. Optical Brightener CBS-X (CAS 27344-41-8) has emerged as a key ingredient for paper manufacturers aiming to enhance their products' visual characteristics. NINGBO INNO PHARMCHEM CO.,LTD., as a reputable supplier of Optical Brightener for paper, provides a premium grade product essential for achieving exceptional paper brightness.
Optical Brightener CBS-X, also recognized as Fluorescent Brightener 351, functions by absorbing ultraviolet light and re-emitting it as visible blue light. This phenomenon effectively neutralizes the natural yellowing in paper pulp, resulting in a cleaner, brighter white appearance. Its application in the paper industry can occur at various stages, including the wet end, size press, or coating stages, offering flexibility to manufacturers.
The chemical’s ability to provide a vibrant violet tone enhances the perception of whiteness, making paper products more aesthetically pleasing. For paper mills, sourcing high-quality chemical intermediates is crucial for consistent product output. By choosing NINGBO INNO PHARMCHEM CO.,LTD. as your Optical Brightener manufacturer, you ensure access to a product with excellent solubility and stability, critical for efficient integration into paper manufacturing processes.
Compared to other OBAs, CBS-X offers a good balance of performance and cost-effectiveness, making it a popular choice for high-volume paper production. Its compatibility with various papermaking chemicals and processes further solidifies its position as a preferred ingredient. For businesses looking to buy Optical Brightener CBS-X, understanding its benefits in improving print contrast and overall paper quality is key.
NINGBO INNO PHARMCHEM CO.,LTD. is committed to supporting the paper industry with reliable and high-performance optical brighteners. We offer competitive pricing for bulk purchases and ensure a consistent supply chain from China. If you are interested in inquiring about the Optical Brightener CBS-X price or require samples for your paper formulations, our dedicated sales team is ready to assist you. Partner with us to achieve superior whiteness and brightness in your paper products.
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.