Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Reinforcement Material
- Composite Materials Functions
- Technologies
Features & Benefits
- Materials Features
- Product Highlights
- Variable cure cycle 80°C – 150°C
- Good surface finish
- Suitable for a range of structures and processes
- Excellent shelf life
- Wide range of fiber substrates available
- Made in Australia
Applications & Uses
- Applications
- Composites End Use
- Composites Processing Methods
- Applications
EP-280 can be used to produce structural components with carbon, glass or aramid fibers. It can also be used in the construction of sandwich structures. The versatility of EP-280 means that large complex structures as well as small basic components can be produced. It is possible to utilize EP-280 in a number of industries and applications such as marine, sports and leisure, industrial components, automotive and wind turbine blades.
Properties
- Cured Properties
| Value | Units | Test Method / Conditions | |
| Flexural Strength at 23°C | 146 - 156 | MPa | Cured neat Formulation Cycle for 10hrs at 90°C |
| Ultimate Elongation at 23°C | 6.0 – 7.0 | % | Cured neat Formulation Cycle for 10hrs at 90°C |
| Flexural Modulus at 23°C | 3150 - 3400 | MPa | Cured neat Formulation Cycle for 10hrs at 90°C |
| Flexural Strength at 70°C | 100 - 110 | MPa | Cured neat Formulation Cycle for 10hrs at 90°C |
| Ultimate Elongation at 70°C | 5.0 – 5.6 | % | Cured neat Formulation Cycle for 10hrs at 90°C |
| Flexural Modulus at 70°C | 2500 - 2800 | MPa | Cured neat Formulation Cycle for 10hrs at 90°C |
| Tg (DSC, 10 K/min) | 102 - 108 | °C | Cured neat Formulation Cycle for 10hrs at 90°C |
| Interlaminar shear strength (12 layers UD e-glass (425gsm) 3.2mm thick laminate ) | 62 - 66 | Mpa | Cured neat Formulation Cycle for 10hrs at 90°C |
Technical Details & Test Data
- Curing
The versatility of GMS Composites EP-280 means a range of cure cycles, pressures and ramp up rates can be adopted all of which will depend greatly on the part being produced. Below is a guide to cure cycles.
Temperature (°C) Time 80 12 hrs 90 8 hrs 100 4 hrs 110 2 hrs 30mins 120 1 hrs 130 30 min 140 25 mins 150 20 mins - Heat ramp up rate – 2°C / min
- Pressure – 1 bar
- Gel Time
Hot plate
Temperature (°C) Time 80 210-240 90 120-160 100 40-60 110 17-25 120 6-10 130 2-5 Values are indicative of small samples of neat resin formulation. Gel times may vary significantly in composites depending on fiber content and laminate thickness.
Storage & Handling
- Handling
Customers should ensure appropriate workplace OH&S guidelines are followed when working with this product. Appropriate measures should be taken to avoid contact with skin and eyes. Avoid inhalation of dust or fumes that may be released or created when machining, cutting or curing.
- Shelf Life
Room temperature (23°C) > 6 weeks
Refrigerated (-18°C) 12 months