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
- Very high impact resistance
- Suitable for a range of components and processes
- Excellent shelf life
- Wide range of fiber substrates available
- Made in Australia
Applications & Uses
- Applications
- Compatible Polymers & Resins
- Composites End Use
- Composites Processing Methods
- Applications
When combined with fibers such as carbon, aramid, s-glass or polyethylene, EP-620 can be used to produce items requiring energy absorption and impact resistance such as ballistics components, automotive and motorsport products, marine components subject to impact, etc. These products have applications in industries such as defense, military, personal protection, vehicle protection, infrastructure shielding, motorsport, transport and marine. The versatility of EP-620 means that large complex structure as well as small basic components can be produced.
Properties
- Cured Properties
| Value | Units | Test Method / Conditions | |
| Ultimate Elongation (Tensile, Cured Neat Formulation Cycle for 1hrs at 120°C) | 8.5 - 10.0 | % | — |
| Ultimate Strength (Tensile, Cured Neat Formulation Cycle for 1hrs at 120°C) | 50 - 60 | MPa | — |
| Flexural Strength | 105 - 115 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
| Elongation at flexural strength | 5.2 – 5.7 | % | Cured neat Formulation Cycle for 1hrs at 120°C |
| Ultimate Strength | 80 - 90 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
| Ultimate Elongation | 10.5 – 11.5 | % | Cured neat Formulation Cycle for 1hrs at 120°C |
| Flexural Modulus | 2850 – 3050 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
| Tg (DSC, 10 K/min) | 65 - 70 | °C | Cured neat Formulation Cycle for 1hrs at 120°C |
| Fracture Toughness K1C | 2.20 – 2.35 | MPaÖm | Cured neat Formulation Cycle for 1hrs at 120°C |
| Fracture Energy G1C | 1400 - 1550 | J/m2 | Cured neat Formulation Cycle for 1hrs at 120°C |
| Tensile Strength | 60 – 70 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
| Elongation at tensile strength | 3.0 – 4.0 | % | Cured neat Formulation Cycle for 1hrs at 120°C |
| Ultimate Strength (tensile) | 50 - 60 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
| tensile Modulus | 2900 - 3100 | MPa | Cured neat Formulation Cycle for 1hrs at 120°C |
Technical Details & Test Data
- Curing
The versatility of GMS Composites EP-620 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 90 100-160 100 35-45 110 22-30 120 10-15 140 3-6 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