Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Composite Materials Functions
- Technologies
Features & Benefits
- Labeling Claims
- Materials Features
- Key Features
- Cure temperature from 65°C to 120°C
- Service temperature up to 150°C after post cure
- Low CTE and shrinkage
- Work life at 20°C: 21 days
- Storage life at -18°C: 12 months
- Very low VOC content – no added solvents during manufacture
- FST properties
CS 25.853 compliant
EN 45545 HL1 – rated HL3 for flame propagation, smoke and toxicity
Rated UL94 V0 (0.5mm laminate), UL94 V1 (2mm and 4mm laminates)
Applications & Uses
- Applications
- Composites Processing Methods
- Typical Applications
Flame retardant – Aerospace / Rail
Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Cure Temperature | 65 - 120 | °C | — |
| Cure Time | 16 - 1 | — | hrs,mins |
| Outlife | 21 | — | months |
| Tg Onset | 155 | — | — |
| Tg Peak | 176 | — | — |
| Service Temperature | 150 | °C | — |
Technical Details & Test Data
- Cure Cycles and Performances
- Recommended Initial cure:
1 st dwell at 85°C for 15 min, at a ramp rate of 2-3°C/min
2 nd dwell at 120°C for 1h, at a ramp rate of 2-3°C/min
- Recommended Post cure: 150°C for 1h, at a ramp rate of 0.3°C/min (if required to develop Tg)
Cure Initial Min Cure Tg 65°C (minimum) 16 hours 80°C 80°C 5 hours 90°C 100°C 2 hours 110°C 120°C (maximum) 1 hour 135°C 150°C Post Cure 1 hour 155°C - Curing Schedule is meant to be a guide only and is subject to local conditions.
- To avoid exotherm particular care must be taken with thick laminates.
Ramp rates must not exceed 3.0°C per minute during initial cure.
Ramp rates must not exceed 0.3°C per minute during post cure (free standing).
Safety & Health
- Health And Safety
This material contains epoxy resin which can cause allergic reactions with skin contact and must avoid repeated and prolonged skin contact.
The following precautions must be taken when using epoxy resin prepregs:
- Overalls must be worn.
- Impervious gloves must be worn.
- Curing schedule is meant to be as a guide only and is subject to local conditions.
- To avoid exotherm, particular care must be taken with thick laminates.
- Ramp rates must not exceed 3.0°C/min during initial cure and 0.3°C/min during post cure.
Packaging & Availability
- Packaging Type
Storage & Handling
- Storage and Out Life
This material should be kept frozen at -18°C. It must be kept sealed in a polythene bag which must not be opened until fully thawed to room temperature. If the material is not fully used, then the material must be resealed in the polythene bag to prevent moisture absorption.