Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Tongde 3EC150Y Waterborne Epoxy Curing Agent

Tongde 3EC150Y is a waterborne epoxy curing agent from Tongde’s 3EC series, offering low VOC, excellent compatibility with water-based epoxy resins, fast curing at ambient temperature, superior adhesion to concrete/steel, and outstanding chemical resistance—ideal for eco-friendly industrial flooring and protective coatings.
  • tongde 3ec150y waterborne epoxy curing agent_2fd3f793
  • tongde 3ec150y waterborne epoxy curing agent_2fd3f793

Features Of Tongde 3EC150Y Waterborne Epoxy Curing Agent

  1. Low-VOC, water-based formulation compliant with stringent environmental regulations including EPA and EU REACH.

  2. Excellent compatibility with standard waterborne epoxy resins, enabling stable one-component or two-component systems.

  3. Fast ambient-cure capability with good early hardness development and low temperature curing down to 5°C.

  4. Superior chemical resistance after full cure—particularly against alkalis, solvents, and mild acids.

  5. Low odor and non-hazardous classification for safer handling, storage, and transportation.

Typical Applications Of Tongde 3EC150Y Waterborne Epoxy Curing Agent

  1. Waterborne epoxy floor coatings for industrial facilities and cleanrooms.

  2. Interior concrete protection systems in commercial buildings and parking structures.

  3. Anti-corrosive primers for steel substrates in architectural and infrastructure projects.

  4. High-performance grouts and mortars requiring low-emission, durable binders.

  5. Food-grade and pharmaceutical facility flooring where VOC compliance and hygiene are critical.

Specifications Of Tongde 3EC150Y Waterborne Epoxy Curing Agent

Chemical TypeAliphatic amine adduct, water-dispersible
Product FormOpaque white liquid
AppearanceHomogeneous suspension, no phase separation
pH (10% aqueous solution)8.2–8.8
Solids Content (wt%)48–52%
Viscosity (Brookfield, 25°C, sp4, 20 rpm)1,800–2,500 mPa·s
Minimum Film Formation Temperature (MFFT)≥ 10°C
Storage Stability (unopened, 5–30°C)≥ 12 months


Tongde 3EC150Y Waterborne Epoxy Curing Agent – Frequently Asked Questions (FAQ)

Q1: What types of waterborne epoxy resins is 3EC150Y compatible with?

A: 3EC150Y is formulated for broad compatibility with standard anionic and non-ionic waterborne epoxy dispersions, including those based on bisphenol-A and bisphenol-F backbone chemistries. Optimal performance is typically achieved with resins having moderate to high solid content and stable colloidal dispersion.


Q2: How does 3EC150Y contribute to film formation and final coating properties?

A: As a low-VOC, amine-functional waterborne curing agent, 3EC150Y enables ambient- or low-bake cure profiles, yielding coatings with good hardness development, chemical resistance, and adhesion to substrates such as steel, concrete, and galvanized metal — particularly in protective and industrial maintenance applications.


Q3: Can 3EC150Y be used in food-contact or potable water applications?

A: 3EC150Y is not pre-qualified for direct food-contact or potable water applications. Formulators must conduct full regulatory evaluation and third-party testing per applicable regional requirements before use in such sensitive end uses.


Q4: What is the recommended storage and handling guidance for 3EC150Y?

A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from freezing conditions and direct sunlight. Prior to use, ensure thorough mixing if sedimentation occurs; avoid prolonged exposure to high humidity during handling to maintain stability.



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