Hydroxyethylidene Diphosphonic Acid (HEDP) is a cornerstone chemical in modern water treatment, prized for its exceptional ability to inhibit scale formation and prevent corrosion across a broad spectrum of industrial applications. Its robust performance characteristics make it an indispensable component in maintaining the integrity and efficiency of water-dependent systems. NINGBO INNO PHARMCHEM CO.,LTD. is a trusted supplier of high-grade HEDP, committed to providing industries with reliable solutions for their water management challenges.
As a phosphonate, HEDP operates by chelating metal ions and distorting crystal lattice structures, thereby preventing the precipitation of common scale-forming salts such as calcium carbonate and calcium sulfate. This makes it an essential HEDP scale inhibitor, crucial for preventing blockages in pipelines, heat exchangers, and cooling towers. Beyond scale control, HEDP also exhibits significant corrosion inhibition properties, especially for carbon steel, by forming a protective passivating film on metal surfaces. This dual action significantly extends the lifespan of industrial equipment and reduces operational costs.
The versatility of HEDP is evident in its widespread use in various sectors, including cooling water systems, boiler water treatment, oilfield applications, and as a chelating agent in detergents and textiles. Its stability under varying pH and temperature conditions further enhances its applicability in demanding industrial environments. When considering HEDP applications, its efficacy in preventing both scaling and corrosion makes it a preferred choice for comprehensive water treatment programs.
NINGBO INNO PHARMCHEM CO.,LTD. offers HEDP in various forms, including acidic and salt forms, to cater to specific application requirements. Our dedication to quality ensures that our HEDP products consistently meet stringent industry standards, providing customers with reliable performance and predictable results. For businesses seeking to optimize their water treatment processes and prevent costly equipment damage, understanding the benefits of HEDP is crucial.
We understand that sourcing effective water treatment chemicals involves considerations of both performance and cost. Therefore, NINGBO INNO PHARMCHEM CO.,LTD. provides competitive HEDP pricing and flexible supply chain solutions to meet the demands of global industries. By partnering with us, you gain access to a premium product and a team dedicated to supporting your water treatment objectives.
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.