Clear Liquid Modified Phenalkamine Epoxy Hardener HW-690M Epoxy Curing Agent
Reddish-brown clear liquid modified phenalkamine epoxy curing agent HW-690M fit for general antocorrossion
Epoxy hardener 690M is a modified phenalkamine epoxy curing agent mainly produced from cardanol. It is a general type curing agent for epoxy anticorrosive system with high viscosity, eco-friendly solvent-free, good film-forming properties, excellent comprehensive and high-cost performance.
Performance:
Environmental-friendly solvent free, high viscosity;
Good film formation, excellent comprehensive performance, good general matching, highly cost effective;
Excellent adhesion, flexibility, impact resistance and other mechanical properties.
1. The physical and chemical properties
| Test Item | Technical Data | Test Method |
| Appearance | Reddish-brown clear liquid | Visual method |
| Viscosity (mPa·s,25℃) | 20000-40000 | GB/T 2794-2013 |
| Amine value (mg KOH/g) | 240-280 | CS 113 |
| Color (Gardner) | ≤15 | GB/T 22295-2008 |
| Solid content (%) | 97±2 | GB/T 1725-2007 |
| A.H.E.W. | 174 | Theoretical calculation |
| Paint film 25℃(dry time Hr) | 5 | GB 1728-2020 |
| Gelling time 25℃(min) | 90-120 | GB 12007.7-89 |
| E51: curing agent=100: (90±5) E44: curing agent=100: (75±5) E20: curing agent=100: (35±5) | ||
2. Application
Widely used in industrial anticorrosive coatings, floor coatings, adhesives, and other fields, such as steel structures, ships, pipelines, storage tanks, etc.
The most suitable working environment: temperature 5 ℃-35 ℃, humidity ≤ 85%.
3. Storage and transportation
Ventilated cool place, shelf life of one year.
Non-dangerous goods can be transported as general goods.
Regular 200kg iron drum packing or according to customer's specific requirements for packaging.
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