Fabric colorfastness is a critical quality indicator in the textile industry, determining how well dyed or printed materials retain their color when exposed to various conditions like washing, light, and friction. Achieving high colorfastness requires advanced chemical solutions, and PolyDADMAC, specifically a PolyDADMAC color fixing agent for cotton, stands out as a leading technology.
Poly(diallyldimethylammonium chloride), or PolyDADMAC, is a versatile cationic polymer renowned for its strong charge density. This characteristic allows it to effectively neutralize anionic charges present on dye molecules and fabric fibers, creating a robust bond that locks colors into the textile. NINGBO INNO PHARMCHEM CO.,LTD. leverages this science to provide superior color fixation for a wide range of fabrics, particularly cotton and its blends, which are prone to dye bleeding without proper fixation.
The mechanism involves the formation of a stable, film-like layer on the fabric surface that encapsulates dye molecules, preventing their migration and detachment during post-treatment processes and end-use. This significantly enhances washing fastness, a key requirement for consumer textiles. Our advanced solutions ensure that the vibrant colors applied during textile printing and dyeing remain brilliant and true over time, delivering consistent quality to manufacturers.
For those seeking to improve their product's durability and market appeal, investing in a high-quality PolyDADMAC color fixing agent is essential. NINGBO INNO PHARMCHEM CO.,LTD. offers competitive pricing and acts as a reliable supplier for these critical textile auxiliaries. Whether you are looking to buy textile printing fixation chemical or an efficient textile dyeing auxiliaries, our products are designed to meet rigorous industry standards.
Beyond textiles, PolyDADMAC also plays a vital role in water treatment as a flocculant and in papermaking, showcasing its multifunctional capabilities. NINGBO INNO PHARMCHEM CO.,LTD. is a trusted manufacturer, providing comprehensive support and technical expertise to help our clients optimize their processes and achieve the best possible fabric colorfastness results.
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.