In two-component waterborne epoxy coatings and heavy-duty industrial protection, Huntsman Aradur 38-1 has long been recognized as a benchmark for combining high gloss, extended pot life, and superior anti-corrosion performance. However, under changing global supply chains and ongoing cost optimization demands, formulation engineers require a reliable equivalent that matches Aradur 38-1 in salt spray resistance, film gloss, pot life, and mechanical hardness.
To fulfill these industrial coating requirements, Senova presents Waterborne epoxy curing agent g 572. Synthesized from imported German aliphatic amines via addition reaction, it features an active solid content of 80 ± 2%, a pale color, and a balanced viscosity (9,500 – 15,000 mPa.s at 25℃). It matches the key technical characteristics of Aradur 38-1 while demonstrating excellent water-dilution compatibility and rapid post-curing hardness development.
1. Why Choose Waterborne epoxy curing agent g 572 as a Huntsman Aradur 38-1 Alternative?
Waterborne epoxy curing agent g 572 incorporates the performance advantages of imported curing agents, delivering four technical benefits for industrial waterborne formulations:
- 💎 Mirror-Like High Gloss & Scratch Resistance Demonstrates compatibility with solid epoxy dispersions (such as E20 systems) and liquid epoxy resins, producing cured films with high clarity, high gloss, and scratch resistance.
- 🛡️ Superior Heavy-Duty Anti-Corrosion Barrier With an active hydrogen equivalent weight (AHEW) of 150g/mol, it builds a crosslinked network that provides salt spray, water, and corrosion protection for metal substrates.
- ⏳ Extended Operation Time (> 4 Hours) Provides an operation window exceeding 4 hours at 25℃, with a surface dry time of 10–25 minutes (based on E20 emulsions), supporting large-scale industrial spraying while establishing rapid post-curing strength.
- 🌿 Eco-Friendly High Solids & Dilution Flexibility Featuring an 80% solid content, it can be diluted with pure water to adjust application viscosity, or blended with other waterborne epoxy curing agents for flexible formulation adjustments.
2. Core Application Fields
Waterborne epoxy curing agent g 572 is engineered for heavy-duty anti-corrosion, transportation vehicle protection, and industrial flooring:
2.1 Rail Transit & Vehicle Anti-Corrosion Primers
Utilized in waterborne epoxy anti-corrosion primers for high-speed rail, subway, and bus vehicles, providing metal adhesion and long-term protection.
2.2 Waterborne Container & Machinery Coatings
Suited for heavy-duty anti-corrosion primers and topcoats on containers, engineering machinery, and general steel structures exposed to harsh outdoor industrial environments.
2.3 High-Performance Industrial Epoxy Flooring
Ideal for thin-coat floor coatings and thick-coat topcoats, yielding a hard, abrasion-resistant finish upon curing (Pencil Hardness H, Shore D Hardness > 75).
3. Technical Comparison & TDS Specification Table
| Physical & Chemical Properties | Waterborne epoxy curing agent g 572 Specs | Huntsman Aradur 38-1 Benchmark Profile |
| Chemical Type | German imported aliphatic amine adduct | Modified aliphatic amine waterborne adduct |
| Appearance | Light yellow transparent liquid | Light yellow transparent liquid |
| Active Solid Content | 80± 2% | Approx. 80% |
| Viscosity (25℃) | 9,500-15,000 mPa.s | Medium-high viscosity |
| Active Hydrogen Equivalent (AHEW) | 150 g/mol | Approx. 140-160g/mol |
| Operation Time (25℃) | > 4 Hours | Long pot life (> 3–4 Hours) |
| Cured Hardness | Pencil Hardness H, Shore D > 75 | Hard, wear-resistant with high mechanical strength |
4. Additive Synergy & System Performance Enhancement
When replacing Huntsman Aradur® 38-1 with Waterborne epoxy curing agent g 572, achieving proper surface wetting, leveling, and air release is necessary to preserve coating density and long-term salt spray resistance.
To help eliminate entrained micro-bubbles during mixing and application, pair this curing agent with silicone-free defoamers and wetting/leveling agents from our sister site www.rk-chem.com. These specialty additives work alongside Waterborne epoxy curing agent g 572 to maintain a smooth, pinhole-free film structure.
Free laboratory testing samples, technical data sheets (TDS), and replacement guidance for Waterborne epoxy curing agent g 572 are available by contacting our technical team: senova-chem.com/contact.