Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Composite Materials Functions
- Technologies
- Product Families
Features & Benefits
- Product Highlights
- Two-part system
- Mix ratio by Weight: 100A:60B
- Toughened (KIC=650 psi • in1/2)
- High glass transition temperature (375°F)
- Excellent hot/wet properties
- Easy to process
- Long pot life (2+ hours at 130°F-140°F)
- Short, simple cure cycle
- Superior aerospace performance
- Microcrack resistant
Applications & Uses
- Markets
- Composites Processing Methods
- Processing
- Mix ratio by weight 100A:60B
- Degas 20-45 min at 130°F-140°F
- Pot temperature 130°F-140°F (3 hour max for up to 10 lbs of resin)
- Mold temperature 180°F-210°F (1 hour max for part thickness up to 0.5”)
Properties
- Note
The max value is reported for tensile strength, the average value is reported for tensile modulus.
- Composite Laminate Mechanical Properties
RTAVRM 37 / AS4C PW - Cured @ 350°F
Date normalized, except* Wet conditioning: 2 weeks @ 160°F
Property Test Condition Average COV (%) Unnotched Compression Strength (ksi) RTA 93.34 2 180°F Dry 83.32 3.8 180°F Wet 69.6 8.9 Unnotched Compression Modulus (msi) RTA 7.517 3.5 180°F Dry 7.296 1.9 180°F Wet 7.467 2.5 Open Hole Compression Strength (ksi) RTA 37.63 5.9 180°F Dry 33.4 5.1 180°F Wet 30.88 3.1 Short Beam Shear (ksi) RTA 10.197 4.6 180°F Dry 8.48 2.4 180°F Wet 7.187 2.2 Fracture Toughness,*Gi,c (in-lb/in2) RTA 2.292 16.7 Compression After Impact - 270 in-lb, (ksi) RTA 33.57 4.7 Flexural Strength (ksi) RTA 139.67 4 Flexural Modulus (msi) 8.584 11.1
Technical Details & Test Data
- Cure Cycle
- Ramp 2-4°F/min to 350°F, hold 2 hours
- Cool 5°F/min
Packaging & Availability
- Availability
HexFlow® VRM37 is available with a wide range of Injectex, HexForce®, 0/90 and multi-axial (carbon, glass, aramid and hybrid) fabrics.
Storage & Handling
- Shelf Life
- 12 months
- Product Handling and Storage
- Recommended Storage: Store HexFlow® VRM37 Part A in a sealed moisture proof container at 10°F or below; Store HexFlow® VRM37 Part B at -40°F or below in a sealed moisture proof container. Ok to ship both Part A and Part B at 10°F or below.
- Recommended Disposal Procedure: See MSDS for disposal instructions. Disposal of this material shall be in accordance with all local, state and federal regulations.