Dicyandiamide (CAS 461-58-5), also known as DICY or cyanoguanidine, is a vital chemical intermediate with a significant role in the formulation of high-performance epoxy resin systems. As a latent curing agent, it offers formulators unique advantages in product development and manufacturing, particularly in applications requiring a long shelf life and controlled curing profiles. For businesses seeking robust solutions in coatings, adhesives, and composites, understanding Dicyandiamide's contribution is key.

The Functionality of Dicyandiamide in Epoxy Resins

Epoxy resins are thermosetting polymers known for their excellent mechanical properties, chemical resistance, and adhesive strength. The curing process, which transforms the liquid resin into a solid, cross-linked network, is initiated by a curing agent. Dicyandiamide acts as a latent curing agent, meaning it remains relatively inactive at room temperature but becomes highly reactive when heated. This latency is crucial for one-component epoxy systems, allowing for extended pot life and ease of handling before application.

When heated to specific temperatures (typically above 150°C), Dicyandiamide initiates a complex reaction with the epoxy groups and amine hydrogens present in the resin formulation. This process leads to a densely cross-linked polymer structure, imparting the desirable properties associated with cured epoxies.

Advantages for Formulators and Manufacturers

  • Extended Pot Life: The latent nature of Dicyandiamide provides formulators with systems that have a long shelf life at ambient temperatures, simplifying storage and application processes.
  • Controlled Curing: By adjusting the curing temperature and the concentration of Dicyandiamide, manufacturers can precisely control the curing speed and final properties of the epoxy system. This is vital for intricate manufacturing processes like circuit board lamination or composite molding.
  • Excellent Mechanical and Thermal Properties: Epoxy systems cured with Dicyandiamide often exhibit superior hardness, tensile strength, heat resistance, and chemical stability, making them suitable for demanding industrial applications.
  • Cost-Effectiveness: Dicyandiamide is a relatively economical curing agent, making it an attractive option for formulators looking to balance performance with cost.

Sourcing High-Quality Dicyandiamide

For manufacturers and formulators, sourcing high-purity Dicyandiamide (CAS 461-58-5) from a reliable Dicyandiamide manufacturer in China is essential for consistent product performance. Key considerations when looking to buy Dicyandiamide include ensuring the material meets strict purity specifications (often 99.5% or higher) and that the supplier can provide detailed technical documentation, including TDS and COA. Competitive pricing from direct suppliers is also a significant factor for cost-sensitive formulations.

As a dedicated Dicyandiamide supplier, we provide high-quality DICY suitable for advanced epoxy resin applications. We understand the critical role this chemical plays in your product’s performance and reliability. Whether you are developing new adhesive formulations, advanced composites, or durable coatings, partnering with us ensures access to a dependable supply of Dicyandiamide that meets your exact requirements.


To learn more about our Dicyandiamide products or to request a quote, please contact us. We are your trusted source for high-quality Dicyandiamide (CAS 461-58-5) from China.