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NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing innovative chemical solutions that enhance the quality and appearance of textiles. Among our key offerings is Optical Brightener NFW, a specialized agent designed to impart exceptional whiteness and brightness to a variety of fabrics. This article explores the science behind NFW and its crucial role in modern textile processing.
Optical Brightener NFW, also known as C.I. 351, is a stilbene derivative that functions as a fluorescent whitening agent. Its core mechanism involves absorbing ultraviolet (UV) radiation, typically from sunlight or artificial lighting, and then re-emitting this energy as visible blue light. This emitted blue light effectively neutralizes the inherent yellow cast often found in natural fibers like cotton or synthetic fibers such as nylon, resulting in a dramatically brighter and whiter appearance. The specific optical brightener for nylon fabric applications are particularly noteworthy due to its affinity for synthetic polymers.
The application of Optical Brightener NFW can be achieved through several methods, each tailored for specific textile types and desired outcomes. For instance, in the padding process, a recommended dosage of 0.4-0.5% (o.w.f) is typically used for cotton and nylon fabrics. When applied via exhaust dyeing, the dosage might range from 0.1-0.5% (o.w.f) in conjunction with other agents like sodium sulfate, at a bath ratio of 1:10-1:30 and temperatures between 80-100°C. For delicate fibers like wool and silk, specific treatments involving peroxide or reduction bleach, followed by NFW application at a pH of 4-6 and temperatures of 60-100°C, ensure optimal results without fiber damage. Understanding these precise textile optical brightener dosage requirements is key to maximizing its effectiveness.
The advantages of using Optical Brightener NFW are significant for textile manufacturers. Its excellent stability across a wide pH range (2-12) and its resistance to peroxide and reduction bleaching make it highly compatible with standard textile finishing processes. This means that the whitening effect achieved is not easily degraded by subsequent treatments. Furthermore, the agent contributes to a pleasant violet shade, enhancing the overall visual appeal of the fabric. The ability to purchase this as optical brightener powder also offers flexibility in formulation and handling.
At NINGBO INNO PHARMCHEM CO.,LTD., we emphasize the importance of selecting the right whitening agent for specific textile applications. Optical Brightener NFW's versatility and performance characteristics make it an indispensable tool for achieving superior fabric whiteness. By utilizing NFW, textile producers can meet the growing consumer demand for brighter, more visually appealing textiles, thereby enhancing their product's market competitiveness.
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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.
