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High reactivity with isocyanates, enabling efficient chain extension in polyurethane systems.
Low volatility and excellent thermal stability for safe handling and processing at elevated temperatures.
Consistent molecular structure ensures reproducible mechanical properties in final elastomers and coatings.
Compatible with aromatic and aliphatic isocyanate systems, offering formulation flexibility.
Minimal color formation during curing, supporting high-clarity applications in transparent PU elastomers.
Thermoplastic polyurethane (TPU) production for extrusion and injection molding grades.
Cast elastomer systems requiring high tensile strength and abrasion resistance.
High-performance polyurethane adhesives and sealants.
Automotive interior components including instrument panel skins and trim parts.
Roller and industrial belt formulations demanding dynamic fatigue resistance.
| Chemical Type | Aromatic diamine-based chain extender |
| Product Form | Off-white to light tan crystalline solid |
| Appearance | Crystalline powder or granules |
| Molecular Weight (approx.) | 212 g/mol |
| Melting Range | 80–85 °C |
| Primary Applications | TPU, cast elastomers, polyurethane adhesives |
| Key Features | Fast-reacting, low-migration, high-modulus contributor |
| Storage Conditions | Store in cool, dry place under inert atmosphere; protect from moisture |
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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
