ADVANTAGES
• Good dilution efficiency
• Low volatility
• Good maintenance of properties
APPLICATIONS
• Laminates
• Flooring and mortors
• Potting and encapsulation
SHELF LIFE
At least 12 months from the date of manufacture in the original sealed container at ambient temperature.
STORAGE AND HANDLING
Refer to the Safety Data Sheet for Epodil 749 reactive diluent.
| TABLE 1: TYPICAL PROPERTIES | |
| Appearance | Clear liquid |
| Color (Gardner) | 1 max |
| Viscosity @ 77°F (25°C), [mPa.s] | 10-25 |
| Flash Point (closed cup) [°C] | >93 |
| Specific Gravity @ 70°F (21°C), [g/ml] | 1.04 |
| Equilalent Wt/{Epoxide} | 130-145 |
| Free Water [%] | 0.2 max |
| Hydrolyzable Chloride [%] | 0.1 max |
Free Epichlorohydrin [ppm] | 10 max |
| TABLE 2: SUPPLEMENTARY DATA Epodil 749 reactive diluent can be used as follows to lower the viscosity of a standard Bisphenol-A liquid epoxy resin (EEW=190) with an initial viscosity of 12,500 cP: | |
| Weight Percent Epodil 749 (%)③ | Viscosity @ 77°F (25°C) (cP)② |
| 5 | 5,000 |
| 10 | 2,500 |
| 15 | 1,300 |
| 20 | 900 |
TABLE 3: EXAMPLE IMPACT OF DILUENT ON A SIMPLE FORMULATED SYSTEM
Evonik recommends that the formulator test reactive diluents in their system for performance. The following data is provided as an example of the impact of the reactive diluent on a simple formulated system.
SYSTEM:
• BADGE with 12.5 wt% Epodil 749
• Cured with Ancamine® 1618 curing agent at 1:1 stoichiometry
| Property | Without Epodil 749 | With Epodil 749 |
| Persoz hardness② at 23ºC (1 day/7day) | 195/310 | 96/293 |
| Phase 3 dry time③ (h) | 7:10 | 9:31 |
| Tg④ (1st scan) | 51 | 48 |
| Gel time⑤ (min) | 55 | 55 |
2 BYK Persoz pendulum tester according to ISO 1522 with 10 mil WFT at 23˚C/50% RH
3 6 mil WFT BK Drying time recorder according to ASTM D5895 with 6 mil WFT at 23˚C/50% RH
4 TA Instruments DSC model Q200 first scan data
5 150g mix using TECHNE Gel-timer
