![CAS No 39713-40-1 7,8-dihydro-5H-cyclohepta[b]pyridine-5,9(6H)-dione Pharmaceutical Intermediates](https://ecdn6.globalso.com/upload/p/2209/image_other/2025-04/39713-40-1-7-8-dihydro-5h-cyclohepta-b-pyridine-5-9-6h-dione-structural-formula.png)
Optical Brightener SFP CAS NO: 41098-56-0
Property：
Application：
Mainly be used in sizing press, coating process
1.Addition via sizing press: combined with starch, PVA and other products designed
for surface sizing. Usual dosage: 7-15kg/MT paper or 13-28g/liter of surface sizing liquid.
2.Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.2-2% on dry white pigment.
3.Usual dosage in Clay:1-3kg/ton of dry clay
For actual application, the process should be adjusted according to correspondent sample-test.
50kg, 230kg, 1000kg or for the special demand.
1. Functional principle and performance of fluorescent whitening agents
Our optical brighteners are also known as optical brighteners (OBA), optical brighteners (FB), optical brighteners (FBA), optical brighteners, optical brighteners (FWA) and optical brighteners , its principle of action is fluorescence. When exposed to UV light, it absorbs light energy and re-emits it as visible light, thereby increasing the brightness and whiteness of the material being coated. This mechanism ensures that the treated products take on a shiny, vibrant appearance, making them visually attractive to consumers.
2. Widely used in various industries
Our optical brighteners are used in a wide range of industries including textiles, paper, plastics, detergents and paints. In textiles, it gives fabrics a bright white appearance, making them look fresher and more vibrant. In paper production, it can improve the brightness and whiteness of paper, resulting in a more visually appealing final product. When incorporated into plastics, it improves optical properties and makes products appear brighter and more attractive. Additionally, in detergents and paints, it can improve the whiteness and brightness of the final product, resulting in a more attractive visual effect.
3. Superior performance and company advantages
Our optical brighteners stand out for their exceptional performance and reliability. It's formulated to provide consistent and long-lasting brightness enhancement, ensuring treated products maintain their visual appeal over time. Additionally, our extensive experience in manufacturing optical brighteners allows us to improve our products to meet the highest quality standards, making them a trusted choice in various industries around the world. Our commitment to innovation and customer satisfaction sets us apart as we continually strive to develop advanced formulations to meet our customers' ever-changing needs.
In summary, our optical brightener is a premium additive that improves the visual appeal of products across a variety of industries. With its proven performance, versatility and reliability, it is ideal for enhancing the brightness and whiteness of textiles, paper, plastics, detergents, paints and more. Choose our optical brighteners to make your products shine and attract consumers with their dazzling appearance.