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High reactivity with hydroxyl-functional polyester resins for rapid cure at low temperatures (160–180 °C).
Excellent storage stability and low dust generation, supporting safe handling in powder coating production lines.
Enables superior film hardness, flexibility, and chemical resistance in final cured coatings.
Low volatile organic compound (VOC) emission — fully compliant with strict environmental regulations.
Consistent batch-to-batch performance, ensuring reproducible crosslinking efficiency and coating quality.
Architectural metal cladding and façade systems.
Automotive under-hood components requiring thermal and chemical durability.
Outdoor furniture and garden equipment exposed to UV and moisture.
Office furniture and appliance housings demanding high gloss and scratch resistance.
Industrial machinery enclosures requiring long-term corrosion protection.
| Chemical Type | Glycidyl ether-based curing agent |
| Product Form | Free-flowing white to off-white crystalline powder |
| Appearance | Homogeneous granular powder, no visible impurities |
| Primary Applications | Crosslinker for hydroxyl-functional polyester powder coatings |
| Key Features | Low-cure, high-performance, VOC-free |
| Benefits | Energy savings, enhanced edge coverage, excellent mechanical properties |
| Storage Conditions | Store in cool, dry place below 25 °C; protect from moisture |
| Shelf Life | 12 months from date of manufacture under recommended conditions |
Q1: What is the primary function of NW-5 in powder coating formulations?
A: NW-5 is a specialty curing agent designed to accelerate crosslinking reactions in epoxy-functional or hybrid powder coatings, enabling lower-cure-temperature performance and improved flow and appearance without compromising final film hardness or chemical resistance.
Q2: Is NW-5 compatible with standard epoxy resins used in thermosetting powder coatings?
A: Yes, NW-5 is formulated for compatibility with common bisphenol-A based epoxy resins and modified epoxy systems. It demonstrates good dispersion stability during extrusion and minimal risk of premature gelation when processed under typical powder coating manufacturing conditions.
Q3: How does NW-5 affect cure schedule requirements compared to conventional dicyandiamide-based hardeners?
A: NW-5 enables reduced cure temperatures and/or shorter dwell times—particularly beneficial for heat-sensitive substrates—while maintaining full reactivity and film integrity. Its activation profile is tailored to support efficient industrial curing cycles without requiring significant reformulation.
Q4: What handling and storage precautions should be observed for NW-5?
A: Store in original sealed packaging at cool, dry conditions away from moisture and direct sunlight. Due to its reactive nature, avoid prolonged exposure to ambient humidity during handling; use within recommended shelf life to ensure consistent performance in production.
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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
