Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Reinforcement Material
- Composite Materials Functions
- Technologies
Features & Benefits
- Key Features & Benefits
- Good low pressure consolidation
- Excellent handling characteristics and out-time
- Clear surface finish for excellent cosmetic appearance on finished parts
- 250°F cure epoxy system
- Flame retardant, meets the requirements of US D.O.T. FMVSS 302
- Product Forms
- Available on a wide variety of reinforcements including fiberglass and graphite
- Solution coated fabrics up to 60 inches wide
- Compatible with Autoclave, Vacuum/Oven Cure or Press Molding processes
Applications & Uses
- Markets
- Applications
- Composites Processing Methods
- Applications / Qualifications
- Specialty
- Recreational
- Vacuum/Oven Cure Cycle
- Apply 24”Hg vacuum (minimum) for 1 hour before beginning heat cycle
- Raise product temperature from RT to 250-260°F at 5 – 9°F/min
- Hold product at cure temperature for 60 – 90 minutes
- Cool product to 150°F at no more than 8°F/min
Properties
- Physical Properties
- Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Prepreg Resin Content | 36 - 44 | % | — |
| Resin Flow (275°F, 15 psi) | 7 -21 | % | — |
| Volatiles (275°F, 8 min) | max. 1.5 | % | — |
| Gel Time | 2 - 6 | Seconds | — |
| Value | Units | Test Method / Conditions | |
| Tensile Strength - Dry (75°F) | 62 | Ksi | ASTM-D-3039 |
| Tensile Modulus - Dry (75°F) | 3.7 | Msi | ASTM-D-3039 |
| Compressive Strength - Dry (250°F) | 75 | Ksi | ASTM-D-695 |
| Compressive Strength - Dry (160°F) | 60 | Ksi | ASTM-D-695 |
| Compressive Modulus - Dry (70°F ) | 3.7 | Msi | ASTM-D-695 |
| Compressive Modulus - Dry (160°F ) | 3.4 | Msi | ASTM-D-695 |
| Flexural Strength - Dry (75°F) | 96 | Ksi | ASTM-D-790 |
| Flexural Strength - Dry (160°F) | 86 | Ksi | ASTM-D-790 |
| Flexural Modulus - Dry (75°F) | 3.4 | Msi | ASTM-D-790 |
| Flexural Modulus - Dry (160°F) | 3.4 | Msi | ASTM-D-790 |
| Short-Beam Shear Stength - Dry (75°F) | 9.1 | Ksi | ASTM-D-2344 |
| Short-Beam Shear Stength - Dry (160°F) | 7.3 | Ksi | ASTM-D-2344 |
Regulatory & Compliance
- Quality Standards
Storage & Handling
- Prepreg Storage Life
- Out Life: 30 days @ 75°F
- Shelf Life: 6 months @ 0°F