Submit Quote
EPIKURE 3125 | Hexion Curing Agent
Medium Viscosity Reactive Polyamide Curing Agent, Based on Dimerized Fatty Acid and Poly-amines
EPIKURE 3125 Curing Agent is a medium viscosity reactive polyamide curing agent, based on dimerized fatty acid and poly-amines. This is a general-purpose curing agent for epoxy resins that is suitable for many uses including solvent-borne coatings, potting, adhesives, caulks, and grouts. EPIKURE 3125 Curing Agent can be used with a wide range of epoxy resins and can be blended with other amine-based hardeners.
EPIKURE 3125 Application Areas/Suggested Uses
- Maintenance and marine coatings
- Coal tar epoxy systems
- Potting, casting, and encapsulation
- Adhesives, caulks and grouts
Benefits of EPIKURE 3125
- Excellent adhesion
- Good water resistance
- Good toughness and flexibility
- Good pigment and substrate wetting
EPIKURE 3125 Technical Sales Specifications
| Property | Units | Value | Test Method/Standard |
| Amine value | mg/g | 330-360 | ASTM D2896 |
| Viscosity at 40°C | cP | 8000-12000 | ASTM D2196 |
| Color | Gardner | <9 | ASTM D1544 |
Typical Properties
| Property | Units | Value | Test Method/Standard |
| Equivalent weight, approx. | AHEW | 127 | |
| Density @ 25 °C | lbs/gal | 8.1 | |
| Flash point | °C | >110 | ASTM D3278 |
| Appearance | Clear and free of foreign particles | ||
| Mix ratio | |||
| Epoxy Resin (EEW 190) | phr | 50-70 | |
| Epoxy Resin (EEW 525) | phr | 33 | |
EPIKURE 3125 Mix Ratios
| Composition | Units | A | B | C | D | E |
| EPON™ Resin 828 | 100 | 100 | – | – | – | |
| EPON Resin 813 | – | – | 100 | – | – | |
| EPON Resin 815C | – | – | – | 100 | – | |
| EPON Resin 8132 | – | – | – | – | 100 | |
| EPIKURE 3125 Curing Agent | 54 | 67 | 67 | 67 | 62 |
Chemical Resistance Properties
| Percent Weight Gain | Units | A | B | C | D | E |
| Water | ||||||
| After 24 hours | % | 0.12 | 0.2 | 0.17 | 0.22 | 0.19 |
| After 7 days | % | 0.46 | 0.54 | 0.53 | 0.7 | 0.63 |
| 5% Acetic acid | ||||||
| After 24 hours | % | 0.58 | 0.57 | 1.27 | 1.5 | 1.07 |
| After 7 days | % | 1.72 | 1.76 | 3.89 | 4.37 | 3.13 |
| 50% xylene/50% isopropanol | ||||||
| After 24 hours | % | 2.89 | 2.87 | 13.83 | 9.84 | 13.2 |
| After 7 days | % | 8.07 | 7.94 | fragmented | fragmented | fragmented |
EPIKURE 3125 Safety, Storage & Handling
Please refer to the MSDS for the most current Safety and Handling information.
Please refer to the Hexion web site for Shelf Life and recommended Storage information.
Exposure to these materials should be minimized and avoided, if feasible, through the observance of proper precautions, use of appropriate engineering controls and proper personal protective clothing and equipment, and adherence to proper handling procedures. None of these materials should be used, stored, or transported until the handling precautions and recommendations as stated in the Material Safety Data Sheet (MSDS) for these and all other products being used are understood by all persons who will work with them. Questions and requests for information on Hexion, Inc. (“Hexion”) products should be directed to your Hexion sales representative, or the nearest Hexion sales office. Information and MSDSs on non-Hexion products should be obtained from the respective manufacturer.
Packaging
Available in quart gallon, 5 gallon, and 55 gallon sizes
Technical Support
Please refer to the TDS for more technical information.
If you require any further technical or application support please contact our technical staff
Krytox™ is a trademark of The Chemours Company FC, LLC.
The recommendation made here with and the information set forth with respect to the performance or use of our products are believed, but not warranted to be accurate. The products discussed are sold without warranty, as to fitness or performance, express or implied and upon condition that purchasers shall make their own test to determine suitability of such products for their particular purposes. Likewise, statements concerning the possible uses of our products are not intended as recommendations to use our products in the infringement of any patent.