Epamine PC-19 vs PC-25: Choosing the Right Epoxy Curing Agent

2 September 2025

In epoxy systems, the curing agent is as important as the resin itself. The right choice ensures proper crosslinking, mechanical strength, and long-term durability. Whether in flooring, coatings, primers, or industrial applications, formulators rely on epoxy curing agents to achieve reliable results.

Among available options, amine curing agents are widely used because they provide strong chemical bonds and mechanical resistance. Within this category, Epamine PC-19 and Epamine PC-25 stand out as versatile solutions for industrial flooring, civil engineering, and protective coatings. A clear curing agent comparison helps formulators and business owners identify which epoxy hardener best fits their needs.

Epamine PC19 vs PC25: Curing Agent Comparison

Both curing agents belong to the Epamine family but are designed for different applications.

Image 1. Epamine PC-19 and Epamine PC-25 Comparison Table

Epamine PC19: Cycloaliphatic Amine Epoxy Hardener

Epamine PC19 is based on a cycloaliphatic amine epoxy hardener, engineered for applications requiring low viscosity and fast curing. It provides excellent flow and self-leveling, making it especially suitable for:

  • Self-leveling flooring systems
  • Mortars and grouts
  • General epoxy coatings

With its versatility, Epamine PC19 is often the preferred epoxy hardener for formulators working on flooring and coating applications that demand rapid curing without sacrificing strength.

Epamine PC25: Modified Adduct Curing Agent for Epoxy Systems

Epamine PC25 is a modified adduct curing agent designed for strong adhesion and reliable curing under challenging conditions. Unlike PC19, it tolerates wet or cold substrates, which makes it a dependable solution for:

  • Civil engineering projects
  • Industrial maintenance coatings
  • Marine coatings and protective primers
  • Adhesion promoters for concrete surfaces

With these properties, Epamine PC25 is regarded as a robust epoxy curing agent for demanding environments where surface preparation cannot always be ideal.

Partnering with a Reliable Epamine Curing Agent Supplier

Finding the right curing agent supplier is critical for ensuring both product quality and technical support. Maha offers the Epamine range, including PC19 and PC25, along with expert guidance on application, safe handling, and optimization of epoxy systems.

Contact our team today to request FREE samples or technical assistance, and discover how Epamine PC19 and Epamine PC25 can deliver reliable performance in your epoxy formulations. 

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