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Reactive liquid modifier enabling significant fracture toughness improvement without sacrificing glass transition temperature (Tg).
Excellent compatibility with standard DGEBA-type epoxy resins, ensuring homogeneous dispersion and stable formulations.
Low viscosity (< 500 mPa·s at 25°C) facilitates easy handling, metering, and mixing without requiring solvent dilution.
Enables high-performance toughened epoxies with retained modulus and thermal stability after post-cure.
Designed for one-part and two-part epoxy systems used in structural adhesives, composites, and encapsulants.
Aerospace composite matrices requiring impact resistance and delamination suppression.
High-reliability structural adhesives for automotive bonding (e.g., battery module assembly, chassis components).
Electronics encapsulants and underfills demanding crack resistance and thermal cycling durability.
Wind turbine blade adhesives where fatigue performance and low-temperature toughness are critical.
Precision tooling and mold-making resins requiring dimensional stability alongside mechanical resilience.
| Chemical Type | Reactive carboxyl-terminated liquid polymer |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Homogeneous, free from visible particles or gels |
| Viscosity (25°C) | 300–450 mPa·s |
| Density (25°C) | 1.02–1.05 g/cm³ |
| Reactive Functionality | Carboxyl groups (–COOH), average functionality ≈ 2.0 |
| Storage Stability | ≥ 12 months at ≤ 25°C in sealed original container |
| Primary Applications | Toughening agent for thermosetting epoxy resins |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
