The textile and leather industries rely heavily on precise chemical formulations to achieve desired aesthetics and performance. Sodium Polynaphthalene Sulfonate (NNO) is a chemical auxiliary that significantly enhances these processes, acting as a highly effective dispersant. NINGBO INNO PHARMCHEM CO.,LTD. is a leading manufacturer and supplier of NNO, providing the industry with a key component for vibrant dyeing and superior leather finishing.
In textile dyeing, achieving uniform color penetration and preventing dye aggregation are critical. NNO excels in this role by dispersing various types of dyes, including vat, reactive, and acid dyes. Its excellent grinding and hydrotropic properties ensure that dyes are finely distributed in the dye bath, leading to level dyeing and preventing spotting or uneven coloration. This means brighter, more consistent colors and a better end-product for textile manufacturers. For companies aiming to optimize their dyeing processes, sourcing high-quality NNO is a must.
Furthermore, NNO plays a crucial role in the leather industry as an auxiliary tanning agent. When used in conjunction with tanning agents, it helps to prevent the tanning chemicals from sticking to the leather surface, ensuring even penetration and a uniform tanning effect. It also aids in dispersing dyes used for leather coloration, contributing to richer and more consistent shades. The improved appearance and quality of finished leather products underscore the value of a reliable NNO supplier.
The effectiveness of NNO extends to its stability and performance across various conditions. Its ability to disperse pigments in textile printing further broadens its utility. For businesses in these sectors, securing a consistent supply of NNO at a competitive price is vital for maintaining production efficiency and product quality. Understanding the applications and benefits of this chemical is key for procurement and R&D professionals.
NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing top-grade Sodium Polynaphthalene Sulfonate that meets the demanding requirements of the textile and leather industries. Our commitment to quality ensures that our clients can confidently purchase NNO for their critical applications. We aim to be your preferred partner for chemical auxiliaries, offering expert solutions and reliable service. Contact us to learn more about how our NNO can elevate your dyeing and tanning processes.
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.