The papermaking industry relies on precise chemical control to produce high-quality paper products. Metal ions, often present in process water and raw materials, can significantly impact pulp brightness, color stability, and overall paper quality. Tetrasodium EDTA (EDTA 4NA), a potent chelating agent, is a critical additive that helps papermakers overcome these challenges. As a leading manufacturer and supplier, we provide the consistent quality of Tetrasodium EDTA essential for optimizing papermaking operations.
In the papermaking process, particularly during pulp bleaching, trace amounts of transition metal ions like iron (Fe³⁺) and manganese (Mn²⁺) can catalyze the decomposition of bleaching agents, such as hydrogen peroxide. This catalytic effect not only reduces the efficiency of bleaching but also leads to undesirable yellowing or discoloration of the pulp. Tetrasodium EDTA's ability to chelate these metal ions effectively neutralizes their catalytic activity, allowing bleaching agents to work optimally and resulting in brighter, whiter pulp.
Beyond bleaching, Tetrasodium EDTA offers several other benefits in papermaking:
For procurement professionals in the paper industry, sourcing Tetrasodium EDTA from a dependable manufacturer is vital. We offer competitive pricing and a stable supply, ensuring you have access to this essential chemical whenever you need it. To discover how our Tetrasodium EDTA can elevate your papermaking processes and to request a quote or sample, please contact us.
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.